Home / 131,964.12-182,108.25-74,602.55

Finding the Fourth Proportional to 131,964.12, 182,108.25 and 74,602.55

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Solution

The fourth proportional to 131,964.12, 182,108.25 and 74,602.55 is: 102,950.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,964.12 : 182,108.25 = 74,602.55 : x
  2. Step 2: Convert to fraction form
    131,964.12/182,108.25 = 74,602.55/x
  3. Step 3: Cross multiply
    131,964.12x = 182,108.25 × 74,602.55
  4. Step 4: Simplify right side
    131,964.12x = 13,585,740,281.31
  5. Step 5: Solve for x
    x = 13,585,740,281.31/131,964.12
  6. Step 6: Final answer
    x = 102,950.26

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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.