Home / 153,004.20-229,282.20-137,209.20

Finding the Fourth Proportional to 153,004.20, 229,282.20 and 137,209.20

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Solution

The fourth proportional to 153,004.20, 229,282.20 and 137,209.20 is: 205,612.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,004.20 : 229,282.20 = 137,209.20 : x
  2. Step 2: Convert to fraction form
    153,004.20/229,282.20 = 137,209.20/x
  3. Step 3: Cross multiply
    153,004.20x = 229,282.20 × 137,209.20
  4. Step 4: Simplify right side
    153,004.20x = 31,459,627,236.24
  5. Step 5: Solve for x
    x = 31,459,627,236.24/153,004.20
  6. Step 6: Final answer
    x = 205,612.83

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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.