Home / 231,927.20-320,058.24-131,325.20

Finding the Fourth Proportional to 231,927.20, 320,058.24 and 131,325.20

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Solution

The fourth proportional to 231,927.20, 320,058.24 and 131,325.20 is: 181,228.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,927.20 : 320,058.24 = 131,325.20 : x
  2. Step 2: Convert to fraction form
    231,927.20/320,058.24 = 131,325.20/x
  3. Step 3: Cross multiply
    231,927.20x = 320,058.24 × 131,325.20
  4. Step 4: Simplify right side
    231,927.20x = 42,031,712,379.65
  5. Step 5: Solve for x
    x = 42,031,712,379.65/231,927.20
  6. Step 6: Final answer
    x = 181,228.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.