Home / 153,021.20-229,531.80-149,740.70

Finding the Fourth Proportional to 153,021.20, 229,531.80 and 149,740.70

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Solution

The fourth proportional to 153,021.20, 229,531.80 and 149,740.70 is: 224,611.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,021.20 : 229,531.80 = 149,740.70 : x
  2. Step 2: Convert to fraction form
    153,021.20/229,531.80 = 149,740.70/x
  3. Step 3: Cross multiply
    153,021.20x = 229,531.80 × 149,740.70
  4. Step 4: Simplify right side
    153,021.20x = 34,370,252,404.26
  5. Step 5: Solve for x
    x = 34,370,252,404.26/153,021.20
  6. Step 6: Final answer
    x = 224,611.05

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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.