Home / 153,023.20-229,310.70-137,228.20

Finding the Fourth Proportional to 153,023.20, 229,310.70 and 137,228.20

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Solution

The fourth proportional to 153,023.20, 229,310.70 and 137,228.20 is: 205,641.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,023.20 : 229,310.70 = 137,228.20 : x
  2. Step 2: Convert to fraction form
    153,023.20/229,310.70 = 137,228.20/x
  3. Step 3: Cross multiply
    153,023.20x = 229,310.70 × 137,228.20
  4. Step 4: Simplify right side
    153,023.20x = 31,467,894,601.74
  5. Step 5: Solve for x
    x = 31,467,894,601.74/153,023.20
  6. Step 6: Final answer
    x = 205,641.33

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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.