Home / 102,249.97-153,395.69-43,085.61

Finding the Fourth Proportional to 102,249.97, 153,395.69 and 43,085.61

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Solution

The fourth proportional to 102,249.97, 153,395.69 and 43,085.61 is: 64,637.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,249.97 : 153,395.69 = 43,085.61 : x
  2. Step 2: Convert to fraction form
    102,249.97/153,395.69 = 43,085.61/x
  3. Step 3: Cross multiply
    102,249.97x = 153,395.69 × 43,085.61
  4. Step 4: Simplify right side
    102,249.97x = 6,609,146,659.59
  5. Step 5: Solve for x
    x = 6,609,146,659.59/102,249.97
  6. Step 6: Final answer
    x = 64,637.15

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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.