Home / 151,949.56-209,689.87-83,964.64

Finding the Fourth Proportional to 151,949.56, 209,689.87 and 83,964.64

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Solution

The fourth proportional to 151,949.56, 209,689.87 and 83,964.64 is: 115,870.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,949.56 : 209,689.87 = 83,964.64 : x
  2. Step 2: Convert to fraction form
    151,949.56/209,689.87 = 83,964.64/x
  3. Step 3: Cross multiply
    151,949.56x = 209,689.87 × 83,964.64
  4. Step 4: Simplify right side
    151,949.56x = 17,606,534,446.20
  5. Step 5: Solve for x
    x = 17,606,534,446.20/151,949.56
  6. Step 6: Final answer
    x = 115,870.91

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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.