Home / 129,667.47-194,501.20-34,897.87

Finding the Fourth Proportional to 129,667.47, 194,501.20 and 34,897.87

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Solution

The fourth proportional to 129,667.47, 194,501.20 and 34,897.87 is: 52,346.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,667.47 : 194,501.20 = 34,897.87 : x
  2. Step 2: Convert to fraction form
    129,667.47/194,501.20 = 34,897.87/x
  3. Step 3: Cross multiply
    129,667.47x = 194,501.20 × 34,897.87
  4. Step 4: Simplify right side
    129,667.47x = 6,787,677,592.44
  5. Step 5: Solve for x
    x = 6,787,677,592.44/129,667.47
  6. Step 6: Final answer
    x = 52,346.80

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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.