Home / 159,475.10-239,212.65-109,708.70

Finding the Fourth Proportional to 159,475.10, 239,212.65 and 109,708.70

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Solution

The fourth proportional to 159,475.10, 239,212.65 and 109,708.70 is: 164,563.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,475.10 : 239,212.65 = 109,708.70 : x
  2. Step 2: Convert to fraction form
    159,475.10/239,212.65 = 109,708.70/x
  3. Step 3: Cross multiply
    159,475.10x = 239,212.65 × 109,708.70
  4. Step 4: Simplify right side
    159,475.10x = 26,243,708,855.06
  5. Step 5: Solve for x
    x = 26,243,708,855.06/159,475.10
  6. Step 6: Final answer
    x = 164,563.05

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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.