Home / 126,461.39-189,785.64-59,901.68

Finding the Fourth Proportional to 126,461.39, 189,785.64 and 59,901.68

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Solution

The fourth proportional to 126,461.39, 189,785.64 and 59,901.68 is: 89,896.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,461.39 : 189,785.64 = 59,901.68 : x
  2. Step 2: Convert to fraction form
    126,461.39/189,785.64 = 59,901.68/x
  3. Step 3: Cross multiply
    126,461.39x = 189,785.64 × 59,901.68
  4. Step 4: Simplify right side
    126,461.39x = 11,368,477,726.95
  5. Step 5: Solve for x
    x = 11,368,477,726.95/126,461.39
  6. Step 6: Final answer
    x = 89,896.83

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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.