Home / 160,185.38-221,047.68-88,551.56

Finding the Fourth Proportional to 160,185.38, 221,047.68 and 88,551.56

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Solution

The fourth proportional to 160,185.38, 221,047.68 and 88,551.56 is: 122,196.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,185.38 : 221,047.68 = 88,551.56 : x
  2. Step 2: Convert to fraction form
    160,185.38/221,047.68 = 88,551.56/x
  3. Step 3: Cross multiply
    160,185.38x = 221,047.68 × 88,551.56
  4. Step 4: Simplify right side
    160,185.38x = 19,574,115,793.14
  5. Step 5: Solve for x
    x = 19,574,115,793.14/160,185.38
  6. Step 6: Final answer
    x = 122,196.65

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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.