Home / 94,735.80-141,930.90-77,110.20

Finding the Fourth Proportional to 94,735.80, 141,930.90 and 77,110.20

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Solution

The fourth proportional to 94,735.80, 141,930.90 and 77,110.20 is: 115,524.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,735.80 : 141,930.90 = 77,110.20 : x
  2. Step 2: Convert to fraction form
    94,735.80/141,930.90 = 77,110.20/x
  3. Step 3: Cross multiply
    94,735.80x = 141,930.90 × 77,110.20
  4. Step 4: Simplify right side
    94,735.80x = 10,944,320,085.18
  5. Step 5: Solve for x
    x = 10,944,320,085.18/94,735.80
  6. Step 6: Final answer
    x = 115,524.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.