Home / 160,686.52-221,748.96-89,067.70

Finding the Fourth Proportional to 160,686.52, 221,748.96 and 89,067.70

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Solution

The fourth proportional to 160,686.52, 221,748.96 and 89,067.70 is: 122,914.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,686.52 : 221,748.96 = 89,067.70 : x
  2. Step 2: Convert to fraction form
    160,686.52/221,748.96 = 89,067.70/x
  3. Step 3: Cross multiply
    160,686.52x = 221,748.96 × 89,067.70
  4. Step 4: Simplify right side
    160,686.52x = 19,750,669,844.59
  5. Step 5: Solve for x
    x = 19,750,669,844.59/160,686.52
  6. Step 6: Final answer
    x = 122,914.29

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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.