Home / 141,314.90-195,013.98-80,885.25

Finding the Fourth Proportional to 141,314.90, 195,013.98 and 80,885.25

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Solution

The fourth proportional to 141,314.90, 195,013.98 and 80,885.25 is: 111,621.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,314.90 : 195,013.98 = 80,885.25 : x
  2. Step 2: Convert to fraction form
    141,314.90/195,013.98 = 80,885.25/x
  3. Step 3: Cross multiply
    141,314.90x = 195,013.98 × 80,885.25
  4. Step 4: Simplify right side
    141,314.90x = 15,773,754,525.80
  5. Step 5: Solve for x
    x = 15,773,754,525.80/141,314.90
  6. Step 6: Final answer
    x = 111,621.32

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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.