Home / 94,638.39-141,987.15-28,078.85

Finding the Fourth Proportional to 94,638.39, 141,987.15 and 28,078.85

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Solution

The fourth proportional to 94,638.39, 141,987.15 and 28,078.85 is: 42,127.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,638.39 : 141,987.15 = 28,078.85 : x
  2. Step 2: Convert to fraction form
    94,638.39/141,987.15 = 28,078.85/x
  3. Step 3: Cross multiply
    94,638.39x = 141,987.15 × 28,078.85
  4. Step 4: Simplify right side
    94,638.39x = 3,986,835,176.84
  5. Step 5: Solve for x
    x = 3,986,835,176.84/94,638.39
  6. Step 6: Final answer
    x = 42,127.04

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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.