Home / 160,246.69-221,121.29-88,616.97

Finding the Fourth Proportional to 160,246.69, 221,121.29 and 88,616.97

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Solution

The fourth proportional to 160,246.69, 221,121.29 and 88,616.97 is: 122,280.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,246.69 : 221,121.29 = 88,616.97 : x
  2. Step 2: Convert to fraction form
    160,246.69/221,121.29 = 88,616.97/x
  3. Step 3: Cross multiply
    160,246.69x = 221,121.29 × 88,616.97
  4. Step 4: Simplify right side
    160,246.69x = 19,595,098,943.83
  5. Step 5: Solve for x
    x = 19,595,098,943.83/160,246.69
  6. Step 6: Final answer
    x = 122,280.84

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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.