Home / 122,957.10-184,435.65-76,301.10

Finding the Fourth Proportional to 122,957.10, 184,435.65 and 76,301.10

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Solution

The fourth proportional to 122,957.10, 184,435.65 and 76,301.10 is: 114,451.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,957.10 : 184,435.65 = 76,301.10 : x
  2. Step 2: Convert to fraction form
    122,957.10/184,435.65 = 76,301.10/x
  3. Step 3: Cross multiply
    122,957.10x = 184,435.65 × 76,301.10
  4. Step 4: Simplify right side
    122,957.10x = 14,072,642,974.22
  5. Step 5: Solve for x
    x = 14,072,642,974.22/122,957.10
  6. Step 6: Final answer
    x = 114,451.65

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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.