Home / 160,198.24-240,333.81-85,278.91

Finding the Fourth Proportional to 160,198.24, 240,333.81 and 85,278.91

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Solution

The fourth proportional to 160,198.24, 240,333.81 and 85,278.91 is: 127,937.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,198.24 : 240,333.81 = 85,278.91 : x
  2. Step 2: Convert to fraction form
    160,198.24/240,333.81 = 85,278.91/x
  3. Step 3: Cross multiply
    160,198.24x = 240,333.81 × 85,278.91
  4. Step 4: Simplify right side
    160,198.24x = 20,495,405,122.79
  5. Step 5: Solve for x
    x = 20,495,405,122.79/160,198.24
  6. Step 6: Final answer
    x = 127,937.77

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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.