Home / 149,522.40-206,345.52-85,872.96

Finding the Fourth Proportional to 149,522.40, 206,345.52 and 85,872.96

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Solution

The fourth proportional to 149,522.40, 206,345.52 and 85,872.96 is: 118,507.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,522.40 : 206,345.52 = 85,872.96 : x
  2. Step 2: Convert to fraction form
    149,522.40/206,345.52 = 85,872.96/x
  3. Step 3: Cross multiply
    149,522.40x = 206,345.52 × 85,872.96
  4. Step 4: Simplify right side
    149,522.40x = 17,719,500,585.14
  5. Step 5: Solve for x
    x = 17,719,500,585.14/149,522.40
  6. Step 6: Final answer
    x = 118,507.33

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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.