Home / 131,654.56-181,684.08-75,065.44

Finding the Fourth Proportional to 131,654.56, 181,684.08 and 75,065.44

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Solution

The fourth proportional to 131,654.56, 181,684.08 and 75,065.44 is: 103,590.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,654.56 : 181,684.08 = 75,065.44 : x
  2. Step 2: Convert to fraction form
    131,654.56/181,684.08 = 75,065.44/x
  3. Step 3: Cross multiply
    131,654.56x = 181,684.08 × 75,065.44
  4. Step 4: Simplify right side
    131,654.56x = 13,638,195,406.20
  5. Step 5: Solve for x
    x = 13,638,195,406.20/131,654.56
  6. Step 6: Final answer
    x = 103,590.76

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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.