Home / 109,083.60-150,470.10-66,568.32

Finding the Fourth Proportional to 109,083.60, 150,470.10 and 66,568.32

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Solution

The fourth proportional to 109,083.60, 150,470.10 and 66,568.32 is: 91,824.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,083.60 : 150,470.10 = 66,568.32 : x
  2. Step 2: Convert to fraction form
    109,083.60/150,470.10 = 66,568.32/x
  3. Step 3: Cross multiply
    109,083.60x = 150,470.10 × 66,568.32
  4. Step 4: Simplify right side
    109,083.60x = 10,016,541,767.23
  5. Step 5: Solve for x
    x = 10,016,541,767.23/109,083.60
  6. Step 6: Final answer
    x = 91,824.45

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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.