Home / 143,488.13-197,960.13-89,752.73

Finding the Fourth Proportional to 143,488.13, 197,960.13 and 89,752.73

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Solution

The fourth proportional to 143,488.13, 197,960.13 and 89,752.73 is: 123,825.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,488.13 : 197,960.13 = 89,752.73 : x
  2. Step 2: Convert to fraction form
    143,488.13/197,960.13 = 89,752.73/x
  3. Step 3: Cross multiply
    143,488.13x = 197,960.13 × 89,752.73
  4. Step 4: Simplify right side
    143,488.13x = 17,767,462,098.65
  5. Step 5: Solve for x
    x = 17,767,462,098.65/143,488.13
  6. Step 6: Final answer
    x = 123,825.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.