Home / 126,434.16-189,648.80-37,747.76

Finding the Fourth Proportional to 126,434.16, 189,648.80 and 37,747.76

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Solution

The fourth proportional to 126,434.16, 189,648.80 and 37,747.76 is: 56,620.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,434.16 : 189,648.80 = 37,747.76 : x
  2. Step 2: Convert to fraction form
    126,434.16/189,648.80 = 37,747.76/x
  3. Step 3: Cross multiply
    126,434.16x = 189,648.80 × 37,747.76
  4. Step 4: Simplify right side
    126,434.16x = 7,158,817,386.69
  5. Step 5: Solve for x
    x = 7,158,817,386.69/126,434.16
  6. Step 6: Final answer
    x = 56,620.91

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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.