Home / 109,028.20-163,455.90-59,780.20

Finding the Fourth Proportional to 109,028.20, 163,455.90 and 59,780.20

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Solution

The fourth proportional to 109,028.20, 163,455.90 and 59,780.20 is: 89,622.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,028.20 : 163,455.90 = 59,780.20 : x
  2. Step 2: Convert to fraction form
    109,028.20/163,455.90 = 59,780.20/x
  3. Step 3: Cross multiply
    109,028.20x = 163,455.90 × 59,780.20
  4. Step 4: Simplify right side
    109,028.20x = 9,771,426,393.18
  5. Step 5: Solve for x
    x = 9,771,426,393.18/109,028.20
  6. Step 6: Final answer
    x = 89,622.93

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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.