Home / 102,944.88-142,064.42-57,623.76

Finding the Fourth Proportional to 102,944.88, 142,064.42 and 57,623.76

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Solution

The fourth proportional to 102,944.88, 142,064.42 and 57,623.76 is: 79,521.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,944.88 : 142,064.42 = 57,623.76 : x
  2. Step 2: Convert to fraction form
    102,944.88/142,064.42 = 57,623.76/x
  3. Step 3: Cross multiply
    102,944.88x = 142,064.42 × 57,623.76
  4. Step 4: Simplify right side
    102,944.88x = 8,186,286,042.62
  5. Step 5: Solve for x
    x = 8,186,286,042.62/102,944.88
  6. Step 6: Final answer
    x = 79,521.06

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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.