Home / 126,264.24-189,355.23-42,001.79

Finding the Fourth Proportional to 126,264.24, 189,355.23 and 42,001.79

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Solution

The fourth proportional to 126,264.24, 189,355.23 and 42,001.79 is: 62,989.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,264.24 : 189,355.23 = 42,001.79 : x
  2. Step 2: Convert to fraction form
    126,264.24/189,355.23 = 42,001.79/x
  3. Step 3: Cross multiply
    126,264.24x = 189,355.23 × 42,001.79
  4. Step 4: Simplify right side
    126,264.24x = 7,953,257,659.09
  5. Step 5: Solve for x
    x = 7,953,257,659.09/126,264.24
  6. Step 6: Final answer
    x = 62,989.00

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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.