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Finding the Fourth Proportional to 88,793.40, 133,190.10 and 55,615.80

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Solution

The fourth proportional to 88,793.40, 133,190.10 and 55,615.80 is: 83,423.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,793.40 : 133,190.10 = 55,615.80 : x
  2. Step 2: Convert to fraction form
    88,793.40/133,190.10 = 55,615.80/x
  3. Step 3: Cross multiply
    88,793.40x = 133,190.10 × 55,615.80
  4. Step 4: Simplify right side
    88,793.40x = 7,407,473,963.58
  5. Step 5: Solve for x
    x = 7,407,473,963.58/88,793.40
  6. Step 6: Final answer
    x = 83,423.70

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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.