Home / 160,101.66-221,042.19-99,760.95

Finding the Fourth Proportional to 160,101.66, 221,042.19 and 99,760.95

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Solution

The fourth proportional to 160,101.66, 221,042.19 and 99,760.95 is: 137,733.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,101.66 : 221,042.19 = 99,760.95 : x
  2. Step 2: Convert to fraction form
    160,101.66/221,042.19 = 99,760.95/x
  3. Step 3: Cross multiply
    160,101.66x = 221,042.19 × 99,760.95
  4. Step 4: Simplify right side
    160,101.66x = 22,051,378,864.48
  5. Step 5: Solve for x
    x = 22,051,378,864.48/160,101.66
  6. Step 6: Final answer
    x = 137,733.61

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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.