Home / 102,867.62-141,970.44-57,548.12

Finding the Fourth Proportional to 102,867.62, 141,970.44 and 57,548.12

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Solution

The fourth proportional to 102,867.62, 141,970.44 and 57,548.12 is: 79,423.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,867.62 : 141,970.44 = 57,548.12 : x
  2. Step 2: Convert to fraction form
    102,867.62/141,970.44 = 57,548.12/x
  3. Step 3: Cross multiply
    102,867.62x = 141,970.44 × 57,548.12
  4. Step 4: Simplify right side
    102,867.62x = 8,170,131,917.57
  5. Step 5: Solve for x
    x = 8,170,131,917.57/102,867.62
  6. Step 6: Final answer
    x = 79,423.75

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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.