Home / 89,239.22-123,155.03-51,525.62

Finding the Fourth Proportional to 89,239.22, 123,155.03 and 51,525.62

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Solution

The fourth proportional to 89,239.22, 123,155.03 and 51,525.62 is: 71,108.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,239.22 : 123,155.03 = 51,525.62 : x
  2. Step 2: Convert to fraction form
    89,239.22/123,155.03 = 51,525.62/x
  3. Step 3: Cross multiply
    89,239.22x = 123,155.03 × 51,525.62
  4. Step 4: Simplify right side
    89,239.22x = 6,345,639,251.74
  5. Step 5: Solve for x
    x = 6,345,639,251.74/89,239.22
  6. Step 6: Final answer
    x = 71,108.19

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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.