Home / 160,400.27-221,347.96-91,488.17

Finding the Fourth Proportional to 160,400.27, 221,347.96 and 91,488.17

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Solution

The fourth proportional to 160,400.27, 221,347.96 and 91,488.17 is: 126,251.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,400.27 : 221,347.96 = 91,488.17 : x
  2. Step 2: Convert to fraction form
    160,400.27/221,347.96 = 91,488.17/x
  3. Step 3: Cross multiply
    160,400.27x = 221,347.96 × 91,488.17
  4. Step 4: Simplify right side
    160,400.27x = 20,250,718,873.20
  5. Step 5: Solve for x
    x = 20,250,718,873.20/160,400.27
  6. Step 6: Final answer
    x = 126,251.15

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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.