Home / 145,233.45-217,850.36-45,394.16

Finding the Fourth Proportional to 145,233.45, 217,850.36 and 45,394.16

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Solution

The fourth proportional to 145,233.45, 217,850.36 and 45,394.16 is: 68,091.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,233.45 : 217,850.36 = 45,394.16 : x
  2. Step 2: Convert to fraction form
    145,233.45/217,850.36 = 45,394.16/x
  3. Step 3: Cross multiply
    145,233.45x = 217,850.36 × 45,394.16
  4. Step 4: Simplify right side
    145,233.45x = 9,889,132,781.68
  5. Step 5: Solve for x
    x = 9,889,132,781.68/145,233.45
  6. Step 6: Final answer
    x = 68,091.29

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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.