Home / 126,557.02-189,887.91-55,442.87

Finding the Fourth Proportional to 126,557.02, 189,887.91 and 55,442.87

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Solution

The fourth proportional to 126,557.02, 189,887.91 and 55,442.87 is: 83,187.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,557.02 : 189,887.91 = 55,442.87 : x
  2. Step 2: Convert to fraction form
    126,557.02/189,887.91 = 55,442.87/x
  3. Step 3: Cross multiply
    126,557.02x = 189,887.91 × 55,442.87
  4. Step 4: Simplify right side
    126,557.02x = 10,527,930,708.70
  5. Step 5: Solve for x
    x = 10,527,930,708.70/126,557.02
  6. Step 6: Final answer
    x = 83,187.25

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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.