Home / 129,294.90-193,526.82-69,173.37

Finding the Fourth Proportional to 129,294.90, 193,526.82 and 69,173.37

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Solution

The fourth proportional to 129,294.90, 193,526.82 and 69,173.37 is: 103,537.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,294.90 : 193,526.82 = 69,173.37 : x
  2. Step 2: Convert to fraction form
    129,294.90/193,526.82 = 69,173.37/x
  3. Step 3: Cross multiply
    129,294.90x = 193,526.82 × 69,173.37
  4. Step 4: Simplify right side
    129,294.90x = 13,386,902,324.78
  5. Step 5: Solve for x
    x = 13,386,902,324.78/129,294.90
  6. Step 6: Final answer
    x = 103,537.74

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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.