Home / 160,934.87-222,079.79-100,501.92

Finding the Fourth Proportional to 160,934.87, 222,079.79 and 100,501.92

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Solution

The fourth proportional to 160,934.87, 222,079.79 and 100,501.92 is: 138,686.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,934.87 : 222,079.79 = 100,501.92 : x
  2. Step 2: Convert to fraction form
    160,934.87/222,079.79 = 100,501.92/x
  3. Step 3: Cross multiply
    160,934.87x = 222,079.79 × 100,501.92
  4. Step 4: Simplify right side
    160,934.87x = 22,319,445,288.20
  5. Step 5: Solve for x
    x = 22,319,445,288.20/160,934.87
  6. Step 6: Final answer
    x = 138,686.20

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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.