Home / 88,177.80-121,614.98-57,994.10

Finding the Fourth Proportional to 88,177.80, 121,614.98 and 57,994.10

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Solution

The fourth proportional to 88,177.80, 121,614.98 and 57,994.10 is: 79,985.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,177.80 : 121,614.98 = 57,994.10 : x
  2. Step 2: Convert to fraction form
    88,177.80/121,614.98 = 57,994.10/x
  3. Step 3: Cross multiply
    88,177.80x = 121,614.98 × 57,994.10
  4. Step 4: Simplify right side
    88,177.80x = 7,052,951,311.62
  5. Step 5: Solve for x
    x = 7,052,951,311.62/88,177.80
  6. Step 6: Final answer
    x = 79,985.57

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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.