Home / 122,557.20-184,008.60-75,901.20

Finding the Fourth Proportional to 122,557.20, 184,008.60 and 75,901.20

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Solution

The fourth proportional to 122,557.20, 184,008.60 and 75,901.20 is: 113,958.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,557.20 : 184,008.60 = 75,901.20 : x
  2. Step 2: Convert to fraction form
    122,557.20/184,008.60 = 75,901.20/x
  3. Step 3: Cross multiply
    122,557.20x = 184,008.60 × 75,901.20
  4. Step 4: Simplify right side
    122,557.20x = 13,966,473,550.32
  5. Step 5: Solve for x
    x = 13,966,473,550.32/122,557.20
  6. Step 6: Final answer
    x = 113,958.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.