Home / 129,148.08-193,721.82-34,378.28

Finding the Fourth Proportional to 129,148.08, 193,721.82 and 34,378.28

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Solution

The fourth proportional to 129,148.08, 193,721.82 and 34,378.28 is: 51,567.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,148.08 : 193,721.82 = 34,378.28 : x
  2. Step 2: Convert to fraction form
    129,148.08/193,721.82 = 34,378.28/x
  3. Step 3: Cross multiply
    129,148.08x = 193,721.82 × 34,378.28
  4. Step 4: Simplify right side
    129,148.08x = 6,659,822,970.07
  5. Step 5: Solve for x
    x = 6,659,822,970.07/129,148.08
  6. Step 6: Final answer
    x = 51,567.34

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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.