Home / 713,146.87-1,069,712.18-173,406.20

Finding the Fourth Proportional to 713,146.87, 1,069,712.18 and 173,406.20

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Solution

The fourth proportional to 713,146.87, 1,069,712.18 and 173,406.20 is: 260,107.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,146.87 : 1,069,712.18 = 173,406.20 : x
  2. Step 2: Convert to fraction form
    713,146.87/1,069,712.18 = 173,406.20/x
  3. Step 3: Cross multiply
    713,146.87x = 1,069,712.18 × 173,406.20
  4. Step 4: Simplify right side
    713,146.87x = 185,494,723,360.49
  5. Step 5: Solve for x
    x = 185,494,723,360.49/713,146.87
  6. Step 6: Final answer
    x = 260,107.32

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.