Home / 152,911.98-229,359.87-47,718.90

Finding the Fourth Proportional to 152,911.98, 229,359.87 and 47,718.90

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Solution

The fourth proportional to 152,911.98, 229,359.87 and 47,718.90 is: 71,575.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,911.98 : 229,359.87 = 47,718.90 : x
  2. Step 2: Convert to fraction form
    152,911.98/229,359.87 = 47,718.90/x
  3. Step 3: Cross multiply
    152,911.98x = 229,359.87 × 47,718.90
  4. Step 4: Simplify right side
    152,911.98x = 10,944,800,700.54
  5. Step 5: Solve for x
    x = 10,944,800,700.54/152,911.98
  6. Step 6: Final answer
    x = 71,575.82

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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.