Home / 152,700.33-229,126.89-68,520.69

Finding the Fourth Proportional to 152,700.33, 229,126.89 and 68,520.69

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Solution

The fourth proportional to 152,700.33, 229,126.89 and 68,520.69 is: 102,815.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,700.33 : 229,126.89 = 68,520.69 : x
  2. Step 2: Convert to fraction form
    152,700.33/229,126.89 = 68,520.69/x
  3. Step 3: Cross multiply
    152,700.33x = 229,126.89 × 68,520.69
  4. Step 4: Simplify right side
    152,700.33x = 15,699,932,600.35
  5. Step 5: Solve for x
    x = 15,699,932,600.35/152,700.33
  6. Step 6: Final answer
    x = 102,815.32

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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.