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Finding the Fourth Proportional to 129,045, 193,567.52 and 35,550.76

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Solution

The fourth proportional to 129,045, 193,567.52 and 35,550.76 is: 53,326.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,045 : 193,567.52 = 35,550.76 : x
  2. Step 2: Convert to fraction form
    129,045/193,567.52 = 35,550.76/x
  3. Step 3: Cross multiply
    129,045x = 193,567.52 × 35,550.76
  4. Step 4: Simplify right side
    129,045x = 6,881,472,447.32
  5. Step 5: Solve for x
    x = 6,881,472,447.32/129,045
  6. Step 6: Final answer
    x = 53,326.15

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1.5x scale

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.