Home / 129,319.61-193,984.49-45,088.36

Finding the Fourth Proportional to 129,319.61, 193,984.49 and 45,088.36

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Solution

The fourth proportional to 129,319.61, 193,984.49 and 45,088.36 is: 67,634.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,319.61 : 193,984.49 = 45,088.36 : x
  2. Step 2: Convert to fraction form
    129,319.61/193,984.49 = 45,088.36/x
  3. Step 3: Cross multiply
    129,319.61x = 193,984.49 × 45,088.36
  4. Step 4: Simplify right side
    129,319.61x = 8,746,442,147.30
  5. Step 5: Solve for x
    x = 8,746,442,147.30/129,319.61
  6. Step 6: Final answer
    x = 67,634.31

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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.