Home / 122,686.28-184,031.23-80,834.39

Finding the Fourth Proportional to 122,686.28, 184,031.23 and 80,834.39

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Solution

The fourth proportional to 122,686.28, 184,031.23 and 80,834.39 is: 121,252.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,686.28 : 184,031.23 = 80,834.39 : x
  2. Step 2: Convert to fraction form
    122,686.28/184,031.23 = 80,834.39/x
  3. Step 3: Cross multiply
    122,686.28x = 184,031.23 × 80,834.39
  4. Step 4: Simplify right side
    122,686.28x = 14,876,051,297.84
  5. Step 5: Solve for x
    x = 14,876,051,297.84/122,686.28
  6. Step 6: Final answer
    x = 121,252.77

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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.