Home / 141,314.80-195,005.40-80,885.20

Finding the Fourth Proportional to 141,314.80, 195,005.40 and 80,885.20

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Solution

The fourth proportional to 141,314.80, 195,005.40 and 80,885.20 is: 111,616.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,314.80 : 195,005.40 = 80,885.20 : x
  2. Step 2: Convert to fraction form
    141,314.80/195,005.40 = 80,885.20/x
  3. Step 3: Cross multiply
    141,314.80x = 195,005.40 × 80,885.20
  4. Step 4: Simplify right side
    141,314.80x = 15,773,050,780.08
  5. Step 5: Solve for x
    x = 15,773,050,780.08/141,314.80
  6. Step 6: Final answer
    x = 111,616.41

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1.5x scale

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.