Home / 109,331.40-163,997.10-39,201.60

Finding the Fourth Proportional to 109,331.40, 163,997.10 and 39,201.60

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Solution

The fourth proportional to 109,331.40, 163,997.10 and 39,201.60 is: 58,802.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,331.40 : 163,997.10 = 39,201.60 : x
  2. Step 2: Convert to fraction form
    109,331.40/163,997.10 = 39,201.60/x
  3. Step 3: Cross multiply
    109,331.40x = 163,997.10 × 39,201.60
  4. Step 4: Simplify right side
    109,331.40x = 6,428,948,715.36
  5. Step 5: Solve for x
    x = 6,428,948,715.36/109,331.40
  6. Step 6: Final answer
    x = 58,802.40

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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.