Home / 153,127.20-229,042.80-137,445.60

Finding the Fourth Proportional to 153,127.20, 229,042.80 and 137,445.60

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Solution

The fourth proportional to 153,127.20, 229,042.80 and 137,445.60 is: 205,586.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,127.20 : 229,042.80 = 137,445.60 : x
  2. Step 2: Convert to fraction form
    153,127.20/229,042.80 = 137,445.60/x
  3. Step 3: Cross multiply
    153,127.20x = 229,042.80 × 137,445.60
  4. Step 4: Simplify right side
    153,127.20x = 31,480,925,071.68
  5. Step 5: Solve for x
    x = 31,480,925,071.68/153,127.20
  6. Step 6: Final answer
    x = 205,586.76

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1.5x scale

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.