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Finding the Fourth Proportional to 88,737.36, 133,165.80 and 36,156.30

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Solution

The fourth proportional to 88,737.36, 133,165.80 and 36,156.30 is: 54,258.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,737.36 : 133,165.80 = 36,156.30 : x
  2. Step 2: Convert to fraction form
    88,737.36/133,165.80 = 36,156.30/x
  3. Step 3: Cross multiply
    88,737.36x = 133,165.80 × 36,156.30
  4. Step 4: Simplify right side
    88,737.36x = 4,814,782,614.54
  5. Step 5: Solve for x
    x = 4,814,782,614.54/88,737.36
  6. Step 6: Final answer
    x = 54,258.80

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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.