Home / 141,851.21-195,753.40-77,320.44

Finding the Fourth Proportional to 141,851.21, 195,753.40 and 77,320.44

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Solution

The fourth proportional to 141,851.21, 195,753.40 and 77,320.44 is: 106,701.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,851.21 : 195,753.40 = 77,320.44 : x
  2. Step 2: Convert to fraction form
    141,851.21/195,753.40 = 77,320.44/x
  3. Step 3: Cross multiply
    141,851.21x = 195,753.40 × 77,320.44
  4. Step 4: Simplify right side
    141,851.21x = 15,135,738,826.19
  5. Step 5: Solve for x
    x = 15,135,738,826.19/141,851.21
  6. Step 6: Final answer
    x = 106,701.52

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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.