Home / 148,105.10-221,829.60-121,861.10

Finding the Fourth Proportional to 148,105.10, 221,829.60 and 121,861.10

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Solution

The fourth proportional to 148,105.10, 221,829.60 and 121,861.10 is: 182,521.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,105.10 : 221,829.60 = 121,861.10 : x
  2. Step 2: Convert to fraction form
    148,105.10/221,829.60 = 121,861.10/x
  3. Step 3: Cross multiply
    148,105.10x = 221,829.60 × 121,861.10
  4. Step 4: Simplify right side
    148,105.10x = 27,032,399,068.56
  5. Step 5: Solve for x
    x = 27,032,399,068.56/148,105.10
  6. Step 6: Final answer
    x = 182,521.73

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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.