Home / 102,677.43-141,641.78-64,973.55

Finding the Fourth Proportional to 102,677.43, 141,641.78 and 64,973.55

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Solution

The fourth proportional to 102,677.43, 141,641.78 and 64,973.55 is: 89,629.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,677.43 : 141,641.78 = 64,973.55 : x
  2. Step 2: Convert to fraction form
    102,677.43/141,641.78 = 64,973.55/x
  3. Step 3: Cross multiply
    102,677.43x = 141,641.78 × 64,973.55
  4. Step 4: Simplify right side
    102,677.43x = 9,202,969,274.92
  5. Step 5: Solve for x
    x = 9,202,969,274.92/102,677.43
  6. Step 6: Final answer
    x = 89,629.91

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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.