Home / 160,313.15-221,231.17-88,691.65

Finding the Fourth Proportional to 160,313.15, 221,231.17 and 88,691.65

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Solution

The fourth proportional to 160,313.15, 221,231.17 and 88,691.65 is: 122,393.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,313.15 : 221,231.17 = 88,691.65 : x
  2. Step 2: Convert to fraction form
    160,313.15/221,231.17 = 88,691.65/x
  3. Step 3: Cross multiply
    160,313.15x = 221,231.17 × 88,691.65
  4. Step 4: Simplify right side
    160,313.15x = 19,621,357,498.73
  5. Step 5: Solve for x
    x = 19,621,357,498.73/160,313.15
  6. Step 6: Final answer
    x = 122,393.94

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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.