Home / 129,458.34-194,208.42-38,282.97

Finding the Fourth Proportional to 129,458.34, 194,208.42 and 38,282.97

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Solution

The fourth proportional to 129,458.34, 194,208.42 and 38,282.97 is: 57,430.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,458.34 : 194,208.42 = 38,282.97 : x
  2. Step 2: Convert to fraction form
    129,458.34/194,208.42 = 38,282.97/x
  3. Step 3: Cross multiply
    129,458.34x = 194,208.42 × 38,282.97
  4. Step 4: Simplify right side
    129,458.34x = 7,434,875,116.61
  5. Step 5: Solve for x
    x = 7,434,875,116.61/129,458.34
  6. Step 6: Final answer
    x = 57,430.64

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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.