Home / 129,295.20-193,947.36-35,808

Finding the Fourth Proportional to 129,295.20, 193,947.36 and 35,808

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Solution

The fourth proportional to 129,295.20, 193,947.36 and 35,808 is: 53,713.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,295.20 : 193,947.36 = 35,808 : x
  2. Step 2: Convert to fraction form
    129,295.20/193,947.36 = 35,808/x
  3. Step 3: Cross multiply
    129,295.20x = 193,947.36 × 35,808
  4. Step 4: Simplify right side
    129,295.20x = 6,944,867,066.88
  5. Step 5: Solve for x
    x = 6,944,867,066.88/129,295.20
  6. Step 6: Final answer
    x = 53,713.26

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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.