Home / 147,401.80-220,592.40-88,279.90

Finding the Fourth Proportional to 147,401.80, 220,592.40 and 88,279.90

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Solution

The fourth proportional to 147,401.80, 220,592.40 and 88,279.90 is: 132,114.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,401.80 : 220,592.40 = 88,279.90 : x
  2. Step 2: Convert to fraction form
    147,401.80/220,592.40 = 88,279.90/x
  3. Step 3: Cross multiply
    147,401.80x = 220,592.40 × 88,279.90
  4. Step 4: Simplify right side
    147,401.80x = 19,473,875,012.76
  5. Step 5: Solve for x
    x = 19,473,875,012.76/147,401.80
  6. Step 6: Final answer
    x = 132,114.23

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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.