Home / 147,095.20-220,124.40-102,512.80

Finding the Fourth Proportional to 147,095.20, 220,124.40 and 102,512.80

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Solution

The fourth proportional to 147,095.20, 220,124.40 and 102,512.80 is: 153,407.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,095.20 : 220,124.40 = 102,512.80 : x
  2. Step 2: Convert to fraction form
    147,095.20/220,124.40 = 102,512.80/x
  3. Step 3: Cross multiply
    147,095.20x = 220,124.40 × 102,512.80
  4. Step 4: Simplify right side
    147,095.20x = 22,565,568,592.32
  5. Step 5: Solve for x
    x = 22,565,568,592.32/147,095.20
  6. Step 6: Final answer
    x = 153,407.92

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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.