Home / 148,101.10-221,823.60-121,857.10

Finding the Fourth Proportional to 148,101.10, 221,823.60 and 121,857.10

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Solution

The fourth proportional to 148,101.10, 221,823.60 and 121,857.10 is: 182,515.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,101.10 : 221,823.60 = 121,857.10 : x
  2. Step 2: Convert to fraction form
    148,101.10/221,823.60 = 121,857.10/x
  3. Step 3: Cross multiply
    148,101.10x = 221,823.60 × 121,857.10
  4. Step 4: Simplify right side
    148,101.10x = 27,030,780,607.56
  5. Step 5: Solve for x
    x = 27,030,780,607.56/148,101.10
  6. Step 6: Final answer
    x = 182,515.73

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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.