Home / 153,046.20-229,569.30-90,838.20

Finding the Fourth Proportional to 153,046.20, 229,569.30 and 90,838.20

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Solution

The fourth proportional to 153,046.20, 229,569.30 and 90,838.20 is: 136,257.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,046.20 : 229,569.30 = 90,838.20 : x
  2. Step 2: Convert to fraction form
    153,046.20/229,569.30 = 90,838.20/x
  3. Step 3: Cross multiply
    153,046.20x = 229,569.30 × 90,838.20
  4. Step 4: Simplify right side
    153,046.20x = 20,853,661,987.26
  5. Step 5: Solve for x
    x = 20,853,661,987.26/153,046.20
  6. Step 6: Final answer
    x = 136,257.30

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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.