Home / 132,288.56-198,460.17-43,547.39

Finding the Fourth Proportional to 132,288.56, 198,460.17 and 43,547.39

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Solution

The fourth proportional to 132,288.56, 198,460.17 and 43,547.39 is: 65,330.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,288.56 : 198,460.17 = 43,547.39 : x
  2. Step 2: Convert to fraction form
    132,288.56/198,460.17 = 43,547.39/x
  3. Step 3: Cross multiply
    132,288.56x = 198,460.17 × 43,547.39
  4. Step 4: Simplify right side
    132,288.56x = 8,642,422,422.46
  5. Step 5: Solve for x
    x = 8,642,422,422.46/132,288.56
  6. Step 6: Final answer
    x = 65,330.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.