Home / 122,007.10-183,010.65-43,123.90

Finding the Fourth Proportional to 122,007.10, 183,010.65 and 43,123.90

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Solution

The fourth proportional to 122,007.10, 183,010.65 and 43,123.90 is: 64,685.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,007.10 : 183,010.65 = 43,123.90 : x
  2. Step 2: Convert to fraction form
    122,007.10/183,010.65 = 43,123.90/x
  3. Step 3: Cross multiply
    122,007.10x = 183,010.65 × 43,123.90
  4. Step 4: Simplify right side
    122,007.10x = 7,892,132,969.54
  5. Step 5: Solve for x
    x = 7,892,132,969.54/122,007.10
  6. Step 6: Final answer
    x = 64,685.85

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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.