Home / 126,384.22-189,575.76-51,487.66

Finding the Fourth Proportional to 126,384.22, 189,575.76 and 51,487.66

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Solution

The fourth proportional to 126,384.22, 189,575.76 and 51,487.66 is: 77,231.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,384.22 : 189,575.76 = 51,487.66 : x
  2. Step 2: Convert to fraction form
    126,384.22/189,575.76 = 51,487.66/x
  3. Step 3: Cross multiply
    126,384.22x = 189,575.76 × 51,487.66
  4. Step 4: Simplify right side
    126,384.22x = 9,760,812,275.12
  5. Step 5: Solve for x
    x = 9,760,812,275.12/126,384.22
  6. Step 6: Final answer
    x = 77,231.26

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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.