Home / 95,719.80-143,579.70-91,127.10

Finding the Fourth Proportional to 95,719.80, 143,579.70 and 91,127.10

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Solution

The fourth proportional to 95,719.80, 143,579.70 and 91,127.10 is: 136,690.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,719.80 : 143,579.70 = 91,127.10 : x
  2. Step 2: Convert to fraction form
    95,719.80/143,579.70 = 91,127.10/x
  3. Step 3: Cross multiply
    95,719.80x = 143,579.70 × 91,127.10
  4. Step 4: Simplify right side
    95,719.80x = 13,084,001,679.87
  5. Step 5: Solve for x
    x = 13,084,001,679.87/95,719.80
  6. Step 6: Final answer
    x = 136,690.65

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Similar ratio
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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.