Home / 112,839.73-155,663.72-94,928.20

Finding the Fourth Proportional to 112,839.73, 155,663.72 and 94,928.20

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Solution

The fourth proportional to 112,839.73, 155,663.72 and 94,928.20 is: 130,954.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,839.73 : 155,663.72 = 94,928.20 : x
  2. Step 2: Convert to fraction form
    112,839.73/155,663.72 = 94,928.20/x
  3. Step 3: Cross multiply
    112,839.73x = 155,663.72 × 94,928.20
  4. Step 4: Simplify right side
    112,839.73x = 14,776,876,270.26
  5. Step 5: Solve for x
    x = 14,776,876,270.26/112,839.73
  6. Step 6: Final answer
    x = 130,954.55

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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.