Home / 153,141.17-229,722.68-40,820.79

Finding the Fourth Proportional to 153,141.17, 229,722.68 and 40,820.79

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Solution

The fourth proportional to 153,141.17, 229,722.68 and 40,820.79 is: 61,234.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,141.17 : 229,722.68 = 40,820.79 : x
  2. Step 2: Convert to fraction form
    153,141.17/229,722.68 = 40,820.79/x
  3. Step 3: Cross multiply
    153,141.17x = 229,722.68 × 40,820.79
  4. Step 4: Simplify right side
    153,141.17x = 9,377,461,074.41
  5. Step 5: Solve for x
    x = 9,377,461,074.41/153,141.17
  6. Step 6: Final answer
    x = 61,234.10

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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.