Home / 160,805.76-221,908.56-89,184.24

Finding the Fourth Proportional to 160,805.76, 221,908.56 and 89,184.24

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Solution

The fourth proportional to 160,805.76, 221,908.56 and 89,184.24 is: 123,072.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,805.76 : 221,908.56 = 89,184.24 : x
  2. Step 2: Convert to fraction form
    160,805.76/221,908.56 = 89,184.24/x
  3. Step 3: Cross multiply
    160,805.76x = 221,908.56 × 89,184.24
  4. Step 4: Simplify right side
    160,805.76x = 19,790,746,273.09
  5. Step 5: Solve for x
    x = 19,790,746,273.09/160,805.76
  6. Step 6: Final answer
    x = 123,072.37

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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.