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Finding the Fourth Proportional to 93,737.48, 140,620.80 and 30,542.90

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Solution

The fourth proportional to 93,737.48, 140,620.80 and 30,542.90 is: 45,819.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,737.48 : 140,620.80 = 30,542.90 : x
  2. Step 2: Convert to fraction form
    93,737.48/140,620.80 = 30,542.90/x
  3. Step 3: Cross multiply
    93,737.48x = 140,620.80 × 30,542.90
  4. Step 4: Simplify right side
    93,737.48x = 4,294,967,032.32
  5. Step 5: Solve for x
    x = 4,294,967,032.32/93,737.48
  6. Step 6: Final answer
    x = 45,819.10

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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.