Home / 126,550.53-189,753.90-51,582.87

Finding the Fourth Proportional to 126,550.53, 189,753.90 and 51,582.87

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Solution

The fourth proportional to 126,550.53, 189,753.90 and 51,582.87 is: 77,345.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,550.53 : 189,753.90 = 51,582.87 : x
  2. Step 2: Convert to fraction form
    126,550.53/189,753.90 = 51,582.87/x
  3. Step 3: Cross multiply
    126,550.53x = 189,753.90 × 51,582.87
  4. Step 4: Simplify right side
    126,550.53x = 9,788,050,755.69
  5. Step 5: Solve for x
    x = 9,788,050,755.69/126,550.53
  6. Step 6: Final answer
    x = 77,345.00

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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.