Home / 95,146.80-142,740.24-35,981.16

Finding the Fourth Proportional to 95,146.80, 142,740.24 and 35,981.16

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Solution

The fourth proportional to 95,146.80, 142,740.24 and 35,981.16 is: 53,979.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,146.80 : 142,740.24 = 35,981.16 : x
  2. Step 2: Convert to fraction form
    95,146.80/142,740.24 = 35,981.16/x
  3. Step 3: Cross multiply
    95,146.80x = 142,740.24 × 35,981.16
  4. Step 4: Simplify right side
    95,146.80x = 5,135,959,233.97
  5. Step 5: Solve for x
    x = 5,135,959,233.97/95,146.80
  6. Step 6: Final answer
    x = 53,979.32

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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.