Home / 115,930.20-173,895.30-74,458.20

Finding the Fourth Proportional to 115,930.20, 173,895.30 and 74,458.20

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Solution

The fourth proportional to 115,930.20, 173,895.30 and 74,458.20 is: 111,687.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,930.20 : 173,895.30 = 74,458.20 : x
  2. Step 2: Convert to fraction form
    115,930.20/173,895.30 = 74,458.20/x
  3. Step 3: Cross multiply
    115,930.20x = 173,895.30 × 74,458.20
  4. Step 4: Simplify right side
    115,930.20x = 12,947,931,026.46
  5. Step 5: Solve for x
    x = 12,947,931,026.46/115,930.20
  6. Step 6: Final answer
    x = 111,687.30

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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.