Home / 132,971.45-199,398.80-49,807.13

Finding the Fourth Proportional to 132,971.45, 199,398.80 and 49,807.13

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Solution

The fourth proportional to 132,971.45, 199,398.80 and 49,807.13 is: 74,688.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,971.45 : 199,398.80 = 49,807.13 : x
  2. Step 2: Convert to fraction form
    132,971.45/199,398.80 = 49,807.13/x
  3. Step 3: Cross multiply
    132,971.45x = 199,398.80 × 49,807.13
  4. Step 4: Simplify right side
    132,971.45x = 9,931,481,080.97
  5. Step 5: Solve for x
    x = 9,931,481,080.97/132,971.45
  6. Step 6: Final answer
    x = 74,688.83

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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.