Home / 141,704.59-195,537.87-87,248.11

Finding the Fourth Proportional to 141,704.59, 195,537.87 and 87,248.11

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Solution

The fourth proportional to 141,704.59, 195,537.87 and 87,248.11 is: 120,393.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,704.59 : 195,537.87 = 87,248.11 : x
  2. Step 2: Convert to fraction form
    141,704.59/195,537.87 = 87,248.11/x
  3. Step 3: Cross multiply
    141,704.59x = 195,537.87 × 87,248.11
  4. Step 4: Simplify right side
    141,704.59x = 17,060,310,264.05
  5. Step 5: Solve for x
    x = 17,060,310,264.05/141,704.59
  6. Step 6: Final answer
    x = 120,393.49

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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.