Home / 152,812.20-229,218.30-103,045.80

Finding the Fourth Proportional to 152,812.20, 229,218.30 and 103,045.80

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Solution

The fourth proportional to 152,812.20, 229,218.30 and 103,045.80 is: 154,568.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,812.20 : 229,218.30 = 103,045.80 : x
  2. Step 2: Convert to fraction form
    152,812.20/229,218.30 = 103,045.80/x
  3. Step 3: Cross multiply
    152,812.20x = 229,218.30 × 103,045.80
  4. Step 4: Simplify right side
    152,812.20x = 23,619,983,098.14
  5. Step 5: Solve for x
    x = 23,619,983,098.14/152,812.20
  6. Step 6: Final answer
    x = 154,568.70

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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.