Home / 129,332.90-193,936.88-45,091.08

Finding the Fourth Proportional to 129,332.90, 193,936.88 and 45,091.08

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Solution

The fourth proportional to 129,332.90, 193,936.88 and 45,091.08 is: 67,614.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,332.90 : 193,936.88 = 45,091.08 : x
  2. Step 2: Convert to fraction form
    129,332.90/193,936.88 = 45,091.08/x
  3. Step 3: Cross multiply
    129,332.90x = 193,936.88 × 45,091.08
  4. Step 4: Simplify right side
    129,332.90x = 8,744,823,483.76
  5. Step 5: Solve for x
    x = 8,744,823,483.76/129,332.90
  6. Step 6: Final answer
    x = 67,614.84

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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.