Home / 102,265.57-141,087.27-63,485.20

Finding the Fourth Proportional to 102,265.57, 141,087.27 and 63,485.20

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Solution

The fourth proportional to 102,265.57, 141,087.27 and 63,485.20 is: 87,585.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,265.57 : 141,087.27 = 63,485.20 : x
  2. Step 2: Convert to fraction form
    102,265.57/141,087.27 = 63,485.20/x
  3. Step 3: Cross multiply
    102,265.57x = 141,087.27 × 63,485.20
  4. Step 4: Simplify right side
    102,265.57x = 8,956,953,553.40
  5. Step 5: Solve for x
    x = 8,956,953,553.40/102,265.57
  6. Step 6: Final answer
    x = 87,585.23

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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.