Home / 129,117.48-193,675.80-34,347.54

Finding the Fourth Proportional to 129,117.48, 193,675.80 and 34,347.54

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Solution

The fourth proportional to 129,117.48, 193,675.80 and 34,347.54 is: 51,521.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,117.48 : 193,675.80 = 34,347.54 : x
  2. Step 2: Convert to fraction form
    129,117.48/193,675.80 = 34,347.54/x
  3. Step 3: Cross multiply
    129,117.48x = 193,675.80 × 34,347.54
  4. Step 4: Simplify right side
    129,117.48x = 6,652,287,287.53
  5. Step 5: Solve for x
    x = 6,652,287,287.53/129,117.48
  6. Step 6: Final answer
    x = 51,521.20

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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.