Home / 165,631.80-248,447.70-146,278.20

Finding the Fourth Proportional to 165,631.80, 248,447.70 and 146,278.20

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Solution

The fourth proportional to 165,631.80, 248,447.70 and 146,278.20 is: 219,417.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,631.80 : 248,447.70 = 146,278.20 : x
  2. Step 2: Convert to fraction form
    165,631.80/248,447.70 = 146,278.20/x
  3. Step 3: Cross multiply
    165,631.80x = 248,447.70 × 146,278.20
  4. Step 4: Simplify right side
    165,631.80x = 36,342,482,350.14
  5. Step 5: Solve for x
    x = 36,342,482,350.14/165,631.80
  6. Step 6: Final answer
    x = 219,417.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.