Home / 109,365.20-150,892.48-71,180.92

Finding the Fourth Proportional to 109,365.20, 150,892.48 and 71,180.92

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Solution

The fourth proportional to 109,365.20, 150,892.48 and 71,180.92 is: 98,209.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,365.20 : 150,892.48 = 71,180.92 : x
  2. Step 2: Convert to fraction form
    109,365.20/150,892.48 = 71,180.92/x
  3. Step 3: Cross multiply
    109,365.20x = 150,892.48 × 71,180.92
  4. Step 4: Simplify right side
    109,365.20x = 10,740,665,547.48
  5. Step 5: Solve for x
    x = 10,740,665,547.48/109,365.20
  6. Step 6: Final answer
    x = 98,209.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.