Home / 153,042.20-229,563.30-90,834.20

Finding the Fourth Proportional to 153,042.20, 229,563.30 and 90,834.20

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Solution

The fourth proportional to 153,042.20, 229,563.30 and 90,834.20 is: 136,251.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,042.20 : 229,563.30 = 90,834.20 : x
  2. Step 2: Convert to fraction form
    153,042.20/229,563.30 = 90,834.20/x
  3. Step 3: Cross multiply
    153,042.20x = 229,563.30 × 90,834.20
  4. Step 4: Simplify right side
    153,042.20x = 20,852,198,704.86
  5. Step 5: Solve for x
    x = 20,852,198,704.86/153,042.20
  6. Step 6: Final answer
    x = 136,251.30

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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.