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Finding the Fourth Proportional to 94,487.23, 141,731.03 and 88,713.55

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Solution

The fourth proportional to 94,487.23, 141,731.03 and 88,713.55 is: 133,070.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,487.23 : 141,731.03 = 88,713.55 : x
  2. Step 2: Convert to fraction form
    94,487.23/141,731.03 = 88,713.55/x
  3. Step 3: Cross multiply
    94,487.23x = 141,731.03 × 88,713.55
  4. Step 4: Simplify right side
    94,487.23x = 12,573,462,816.46
  5. Step 5: Solve for x
    x = 12,573,462,816.46/94,487.23
  6. Step 6: Final answer
    x = 133,070.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.