Home / 159,719.40-239,579.10-107,231.40

Finding the Fourth Proportional to 159,719.40, 239,579.10 and 107,231.40

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Solution

The fourth proportional to 159,719.40, 239,579.10 and 107,231.40 is: 160,847.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,719.40 : 239,579.10 = 107,231.40 : x
  2. Step 2: Convert to fraction form
    159,719.40/239,579.10 = 107,231.40/x
  3. Step 3: Cross multiply
    159,719.40x = 239,579.10 × 107,231.40
  4. Step 4: Simplify right side
    159,719.40x = 25,690,402,303.74
  5. Step 5: Solve for x
    x = 25,690,402,303.74/159,719.40
  6. Step 6: Final answer
    x = 160,847.10

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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.