Home / 141,824.74-195,714.30-78,162.52

Finding the Fourth Proportional to 141,824.74, 195,714.30 and 78,162.52

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Solution

The fourth proportional to 141,824.74, 195,714.30 and 78,162.52 is: 107,862.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,824.74 : 195,714.30 = 78,162.52 : x
  2. Step 2: Convert to fraction form
    141,824.74/195,714.30 = 78,162.52/x
  3. Step 3: Cross multiply
    141,824.74x = 195,714.30 × 78,162.52
  4. Step 4: Simplify right side
    141,824.74x = 15,297,522,888.04
  5. Step 5: Solve for x
    x = 15,297,522,888.04/141,824.74
  6. Step 6: Final answer
    x = 107,862.16

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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.