Home / 89,244.12-123,147.90-51,530.52

Finding the Fourth Proportional to 89,244.12, 123,147.90 and 51,530.52

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Solution

The fourth proportional to 89,244.12, 123,147.90 and 51,530.52 is: 71,106.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,244.12 : 123,147.90 = 51,530.52 : x
  2. Step 2: Convert to fraction form
    89,244.12/123,147.90 = 51,530.52/x
  3. Step 3: Cross multiply
    89,244.12x = 123,147.90 × 51,530.52
  4. Step 4: Simplify right side
    89,244.12x = 6,345,875,323.91
  5. Step 5: Solve for x
    x = 6,345,875,323.91/89,244.12
  6. Step 6: Final answer
    x = 71,106.93

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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.