Home / 102,529.46-141,402.30-66,706.40

Finding the Fourth Proportional to 102,529.46, 141,402.30 and 66,706.40

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Solution

The fourth proportional to 102,529.46, 141,402.30 and 66,706.40 is: 91,997.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,529.46 : 141,402.30 = 66,706.40 : x
  2. Step 2: Convert to fraction form
    102,529.46/141,402.30 = 66,706.40/x
  3. Step 3: Cross multiply
    102,529.46x = 141,402.30 × 66,706.40
  4. Step 4: Simplify right side
    102,529.46x = 9,432,438,384.72
  5. Step 5: Solve for x
    x = 9,432,438,384.72/102,529.46
  6. Step 6: Final answer
    x = 91,997.35

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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.