Home / 132,608.17-182,873.45-102,345.56

Finding the Fourth Proportional to 132,608.17, 182,873.45 and 102,345.56

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Solution

The fourth proportional to 132,608.17, 182,873.45 and 102,345.56 is: 141,139.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,608.17 : 182,873.45 = 102,345.56 : x
  2. Step 2: Convert to fraction form
    132,608.17/182,873.45 = 102,345.56/x
  3. Step 3: Cross multiply
    132,608.17x = 182,873.45 × 102,345.56
  4. Step 4: Simplify right side
    132,608.17x = 18,716,285,100.96
  5. Step 5: Solve for x
    x = 18,716,285,100.96/132,608.17
  6. Step 6: Final answer
    x = 141,139.76

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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.