Home / 160,131.32-240,139.38-54,923

Finding the Fourth Proportional to 160,131.32, 240,139.38 and 54,923

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Solution

The fourth proportional to 160,131.32, 240,139.38 and 54,923 is: 82,364.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,131.32 : 240,139.38 = 54,923 : x
  2. Step 2: Convert to fraction form
    160,131.32/240,139.38 = 54,923/x
  3. Step 3: Cross multiply
    160,131.32x = 240,139.38 × 54,923
  4. Step 4: Simplify right side
    160,131.32x = 13,189,175,167.74
  5. Step 5: Solve for x
    x = 13,189,175,167.74/160,131.32
  6. Step 6: Final answer
    x = 82,364.74

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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.