Home / 89,220.54-123,126-48,931.86

Finding the Fourth Proportional to 89,220.54, 123,126 and 48,931.86

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Solution

The fourth proportional to 89,220.54, 123,126 and 48,931.86 is: 67,526.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,220.54 : 123,126 = 48,931.86 : x
  2. Step 2: Convert to fraction form
    89,220.54/123,126 = 48,931.86/x
  3. Step 3: Cross multiply
    89,220.54x = 123,126 × 48,931.86
  4. Step 4: Simplify right side
    89,220.54x = 6,024,784,194.36
  5. Step 5: Solve for x
    x = 6,024,784,194.36/89,220.54
  6. Step 6: Final answer
    x = 67,526.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.