Home / 89,910.30-134,865.45-30,737.10

Finding the Fourth Proportional to 89,910.30, 134,865.45 and 30,737.10

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Solution

The fourth proportional to 89,910.30, 134,865.45 and 30,737.10 is: 46,105.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,910.30 : 134,865.45 = 30,737.10 : x
  2. Step 2: Convert to fraction form
    89,910.30/134,865.45 = 30,737.10/x
  3. Step 3: Cross multiply
    89,910.30x = 134,865.45 × 30,737.10
  4. Step 4: Simplify right side
    89,910.30x = 4,145,372,823.20
  5. Step 5: Solve for x
    x = 4,145,372,823.20/89,910.30
  6. Step 6: Final answer
    x = 46,105.65

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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.