Home / 102,677.36-141,469.40-69,085.04

Finding the Fourth Proportional to 102,677.36, 141,469.40 and 69,085.04

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Solution

The fourth proportional to 102,677.36, 141,469.40 and 69,085.04 is: 95,185.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,677.36 : 141,469.40 = 69,085.04 : x
  2. Step 2: Convert to fraction form
    102,677.36/141,469.40 = 69,085.04/x
  3. Step 3: Cross multiply
    102,677.36x = 141,469.40 × 69,085.04
  4. Step 4: Simplify right side
    102,677.36x = 9,773,419,157.78
  5. Step 5: Solve for x
    x = 9,773,419,157.78/102,677.36
  6. Step 6: Final answer
    x = 95,185.73

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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.