Home / 153,027.10-229,540.65-128,532.70

Finding the Fourth Proportional to 153,027.10, 229,540.65 and 128,532.70

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Solution

The fourth proportional to 153,027.10, 229,540.65 and 128,532.70 is: 192,799.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,027.10 : 229,540.65 = 128,532.70 : x
  2. Step 2: Convert to fraction form
    153,027.10/229,540.65 = 128,532.70/x
  3. Step 3: Cross multiply
    153,027.10x = 229,540.65 × 128,532.70
  4. Step 4: Simplify right side
    153,027.10x = 29,503,479,504.26
  5. Step 5: Solve for x
    x = 29,503,479,504.26/153,027.10
  6. Step 6: Final answer
    x = 192,799.05

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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.