Home / 84,747.04-117,486.72-80,253.16

Finding the Fourth Proportional to 84,747.04, 117,486.72 and 80,253.16

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Solution

The fourth proportional to 84,747.04, 117,486.72 and 80,253.16 is: 111,256.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,747.04 : 117,486.72 = 80,253.16 : x
  2. Step 2: Convert to fraction form
    84,747.04/117,486.72 = 80,253.16/x
  3. Step 3: Cross multiply
    84,747.04x = 117,486.72 × 80,253.16
  4. Step 4: Simplify right side
    84,747.04x = 9,428,680,538.04
  5. Step 5: Solve for x
    x = 9,428,680,538.04/84,747.04
  6. Step 6: Final answer
    x = 111,256.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.