Home / 122,928.32-184,242.80-66,634.88

Finding the Fourth Proportional to 122,928.32, 184,242.80 and 66,634.88

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Solution

The fourth proportional to 122,928.32, 184,242.80 and 66,634.88 is: 99,871.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,928.32 : 184,242.80 = 66,634.88 : x
  2. Step 2: Convert to fraction form
    122,928.32/184,242.80 = 66,634.88/x
  3. Step 3: Cross multiply
    122,928.32x = 184,242.80 × 66,634.88
  4. Step 4: Simplify right side
    122,928.32x = 12,276,996,868.86
  5. Step 5: Solve for x
    x = 12,276,996,868.86/122,928.32
  6. Step 6: Final answer
    x = 99,871.18

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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.