Home / 94,192.61-140,679.22-85,290.15

Finding the Fourth Proportional to 94,192.61, 140,679.22 and 85,290.15

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Solution

The fourth proportional to 94,192.61, 140,679.22 and 85,290.15 is: 127,383.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,192.61 : 140,679.22 = 85,290.15 : x
  2. Step 2: Convert to fraction form
    94,192.61/140,679.22 = 85,290.15/x
  3. Step 3: Cross multiply
    94,192.61x = 140,679.22 × 85,290.15
  4. Step 4: Simplify right side
    94,192.61x = 11,998,550,645.84
  5. Step 5: Solve for x
    x = 11,998,550,645.84/94,192.61
  6. Step 6: Final answer
    x = 127,383.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.