Home / 89,230.86-123,148.88-53,420.85

Finding the Fourth Proportional to 89,230.86, 123,148.88 and 53,420.85

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Solution

The fourth proportional to 89,230.86, 123,148.88 and 53,420.85 is: 73,726.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,230.86 : 123,148.88 = 53,420.85 : x
  2. Step 2: Convert to fraction form
    89,230.86/123,148.88 = 53,420.85/x
  3. Step 3: Cross multiply
    89,230.86x = 123,148.88 × 53,420.85
  4. Step 4: Simplify right side
    89,230.86x = 6,578,717,579.04
  5. Step 5: Solve for x
    x = 6,578,717,579.04/89,230.86
  6. Step 6: Final answer
    x = 73,726.93

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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.