Home / 129,279.33-193,871.00-45,017.87

Finding the Fourth Proportional to 129,279.33, 193,871.00 and 45,017.87

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Solution

The fourth proportional to 129,279.33, 193,871.00 and 45,017.87 is: 67,510.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,279.33 : 193,871.00 = 45,017.87 : x
  2. Step 2: Convert to fraction form
    129,279.33/193,871.00 = 45,017.87/x
  3. Step 3: Cross multiply
    129,279.33x = 193,871.00 × 45,017.87
  4. Step 4: Simplify right side
    129,279.33x = 8,727,658,280.33
  5. Step 5: Solve for x
    x = 8,727,658,280.33/129,279.33
  6. Step 6: Final answer
    x = 67,510.08

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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.