Home / 126,462.14-189,637.05-67,285.34

Finding the Fourth Proportional to 126,462.14, 189,637.05 and 67,285.34

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Solution

The fourth proportional to 126,462.14, 189,637.05 and 67,285.34 is: 100,898.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,462.14 : 189,637.05 = 67,285.34 : x
  2. Step 2: Convert to fraction form
    126,462.14/189,637.05 = 67,285.34/x
  3. Step 3: Cross multiply
    126,462.14x = 189,637.05 × 67,285.34
  4. Step 4: Simplify right side
    126,462.14x = 12,759,793,385.85
  5. Step 5: Solve for x
    x = 12,759,793,385.85/126,462.14
  6. Step 6: Final answer
    x = 100,898.13

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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.