Home / 152,756.20-229,042.25-68,501.13

Finding the Fourth Proportional to 152,756.20, 229,042.25 and 68,501.13

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Solution

The fourth proportional to 152,756.20, 229,042.25 and 68,501.13 is: 102,710.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,756.20 : 229,042.25 = 68,501.13 : x
  2. Step 2: Convert to fraction form
    152,756.20/229,042.25 = 68,501.13/x
  3. Step 3: Cross multiply
    152,756.20x = 229,042.25 × 68,501.13
  4. Step 4: Simplify right side
    152,756.20x = 15,689,652,942.74
  5. Step 5: Solve for x
    x = 15,689,652,942.74/152,756.20
  6. Step 6: Final answer
    x = 102,710.42

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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.