Home / 132,288.31-198,459.80-43,547.14

Finding the Fourth Proportional to 132,288.31, 198,459.80 and 43,547.14

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Solution

The fourth proportional to 132,288.31, 198,459.80 and 43,547.14 is: 65,329.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,288.31 : 198,459.80 = 43,547.14 : x
  2. Step 2: Convert to fraction form
    132,288.31/198,459.80 = 43,547.14/x
  3. Step 3: Cross multiply
    132,288.31x = 198,459.80 × 43,547.14
  4. Step 4: Simplify right side
    132,288.31x = 8,642,355,484.94
  5. Step 5: Solve for x
    x = 8,642,355,484.94/132,288.31
  6. Step 6: Final answer
    x = 65,329.70

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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.