Home / 160,371.65-221,319.83-88,751.70

Finding the Fourth Proportional to 160,371.65, 221,319.83 and 88,751.70

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Solution

The fourth proportional to 160,371.65, 221,319.83 and 88,751.70 is: 122,481.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,371.65 : 221,319.83 = 88,751.70 : x
  2. Step 2: Convert to fraction form
    160,371.65/221,319.83 = 88,751.70/x
  3. Step 3: Cross multiply
    160,371.65x = 221,319.83 × 88,751.70
  4. Step 4: Simplify right side
    160,371.65x = 19,642,510,878.86
  5. Step 5: Solve for x
    x = 19,642,510,878.86/160,371.65
  6. Step 6: Final answer
    x = 122,481.19

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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.