Home / 154,499.20-231,921.60-144,347.20

Finding the Fourth Proportional to 154,499.20, 231,921.60 and 144,347.20

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Solution

The fourth proportional to 154,499.20, 231,921.60 and 144,347.20 is: 216,682.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,499.20 : 231,921.60 = 144,347.20 : x
  2. Step 2: Convert to fraction form
    154,499.20/231,921.60 = 144,347.20/x
  3. Step 3: Cross multiply
    154,499.20x = 231,921.60 × 144,347.20
  4. Step 4: Simplify right side
    154,499.20x = 33,477,233,579.52
  5. Step 5: Solve for x
    x = 33,477,233,579.52/154,499.20
  6. Step 6: Final answer
    x = 216,682.25

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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.