Home / 141,442.02-195,191.37-77,780.25

Finding the Fourth Proportional to 141,442.02, 195,191.37 and 77,780.25

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Solution

The fourth proportional to 141,442.02, 195,191.37 and 77,780.25 is: 107,337.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,442.02 : 195,191.37 = 77,780.25 : x
  2. Step 2: Convert to fraction form
    141,442.02/195,191.37 = 77,780.25/x
  3. Step 3: Cross multiply
    141,442.02x = 195,191.37 × 77,780.25
  4. Step 4: Simplify right side
    141,442.02x = 15,182,033,556.44
  5. Step 5: Solve for x
    x = 15,182,033,556.44/141,442.02
  6. Step 6: Final answer
    x = 107,337.51

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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.