Home / 97,974.92-135,210.76-54,968.04

Finding the Fourth Proportional to 97,974.92, 135,210.76 and 54,968.04

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Solution

The fourth proportional to 97,974.92, 135,210.76 and 54,968.04 is: 75,858.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,974.92 : 135,210.76 = 54,968.04 : x
  2. Step 2: Convert to fraction form
    97,974.92/135,210.76 = 54,968.04/x
  3. Step 3: Cross multiply
    97,974.92x = 135,210.76 × 54,968.04
  4. Step 4: Simplify right side
    97,974.92x = 7,432,270,326.69
  5. Step 5: Solve for x
    x = 7,432,270,326.69/97,974.92
  6. Step 6: Final answer
    x = 75,858.90

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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.