Home / 160,764.45-221,844.13-89,141.82

Finding the Fourth Proportional to 160,764.45, 221,844.13 and 89,141.82

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Solution

The fourth proportional to 160,764.45, 221,844.13 and 89,141.82 is: 123,009.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,764.45 : 221,844.13 = 89,141.82 : x
  2. Step 2: Convert to fraction form
    160,764.45/221,844.13 = 89,141.82/x
  3. Step 3: Cross multiply
    160,764.45x = 221,844.13 × 89,141.82
  4. Step 4: Simplify right side
    160,764.45x = 19,775,589,281.66
  5. Step 5: Solve for x
    x = 19,775,589,281.66/160,764.45
  6. Step 6: Final answer
    x = 123,009.72

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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.