Home / 132,910.68-199,386.09-42,923.28

Finding the Fourth Proportional to 132,910.68, 199,386.09 and 42,923.28

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Solution

The fourth proportional to 132,910.68, 199,386.09 and 42,923.28 is: 64,391.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,910.68 : 199,386.09 = 42,923.28 : x
  2. Step 2: Convert to fraction form
    132,910.68/199,386.09 = 42,923.28/x
  3. Step 3: Cross multiply
    132,910.68x = 199,386.09 × 42,923.28
  4. Step 4: Simplify right side
    132,910.68x = 8,558,304,969.18
  5. Step 5: Solve for x
    x = 8,558,304,969.18/132,910.68
  6. Step 6: Final answer
    x = 64,391.40

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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.