Home / 129,006.20-193,250.10-73,537.40

Finding the Fourth Proportional to 129,006.20, 193,250.10 and 73,537.40

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Solution

The fourth proportional to 129,006.20, 193,250.10 and 73,537.40 is: 110,158.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,006.20 : 193,250.10 = 73,537.40 : x
  2. Step 2: Convert to fraction form
    129,006.20/193,250.10 = 73,537.40/x
  3. Step 3: Cross multiply
    129,006.20x = 193,250.10 × 73,537.40
  4. Step 4: Simplify right side
    129,006.20x = 14,211,109,903.74
  5. Step 5: Solve for x
    x = 14,211,109,903.74/129,006.20
  6. Step 6: Final answer
    x = 110,158.35

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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.