Home / 132,146.55-182,362.38-71,717.22

Finding the Fourth Proportional to 132,146.55, 182,362.38 and 71,717.22

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Solution

The fourth proportional to 132,146.55, 182,362.38 and 71,717.22 is: 98,969.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,146.55 : 182,362.38 = 71,717.22 : x
  2. Step 2: Convert to fraction form
    132,146.55/182,362.38 = 71,717.22/x
  3. Step 3: Cross multiply
    132,146.55x = 182,362.38 × 71,717.22
  4. Step 4: Simplify right side
    132,146.55x = 13,078,522,926.18
  5. Step 5: Solve for x
    x = 13,078,522,926.18/132,146.55
  6. Step 6: Final answer
    x = 98,969.84

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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.