Home / 152,832.40-229,248.60-90,470.80

Finding the Fourth Proportional to 152,832.40, 229,248.60 and 90,470.80

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Solution

The fourth proportional to 152,832.40, 229,248.60 and 90,470.80 is: 135,706.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,832.40 : 229,248.60 = 90,470.80 : x
  2. Step 2: Convert to fraction form
    152,832.40/229,248.60 = 90,470.80/x
  3. Step 3: Cross multiply
    152,832.40x = 229,248.60 × 90,470.80
  4. Step 4: Simplify right side
    152,832.40x = 20,740,304,240.88
  5. Step 5: Solve for x
    x = 20,740,304,240.88/152,832.40
  6. Step 6: Final answer
    x = 135,706.20

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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.