Home / 129,371.10-193,999.05-59,271.90

Finding the Fourth Proportional to 129,371.10, 193,999.05 and 59,271.90

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Solution

The fourth proportional to 129,371.10, 193,999.05 and 59,271.90 is: 88,881.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,371.10 : 193,999.05 = 59,271.90 : x
  2. Step 2: Convert to fraction form
    129,371.10/193,999.05 = 59,271.90/x
  3. Step 3: Cross multiply
    129,371.10x = 193,999.05 × 59,271.90
  4. Step 4: Simplify right side
    129,371.10x = 11,498,692,291.70
  5. Step 5: Solve for x
    x = 11,498,692,291.70/129,371.10
  6. Step 6: Final answer
    x = 88,881.46

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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.