Home / 126,269.04-189,434.40-42,029.04

Finding the Fourth Proportional to 126,269.04, 189,434.40 and 42,029.04

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Solution

The fourth proportional to 126,269.04, 189,434.40 and 42,029.04 is: 63,053.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,269.04 : 189,434.40 = 42,029.04 : x
  2. Step 2: Convert to fraction form
    126,269.04/189,434.40 = 42,029.04/x
  3. Step 3: Cross multiply
    126,269.04x = 189,434.40 × 42,029.04
  4. Step 4: Simplify right side
    126,269.04x = 7,961,745,974.98
  5. Step 5: Solve for x
    x = 7,961,745,974.98/126,269.04
  6. Step 6: Final answer
    x = 63,053.83

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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.