Home / 201,827.06-278,500.42-124,290.40

Finding the Fourth Proportional to 201,827.06, 278,500.42 and 124,290.40

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Solution

The fourth proportional to 201,827.06, 278,500.42 and 124,290.40 is: 171,507.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,827.06 : 278,500.42 = 124,290.40 : x
  2. Step 2: Convert to fraction form
    201,827.06/278,500.42 = 124,290.40/x
  3. Step 3: Cross multiply
    201,827.06x = 278,500.42 × 124,290.40
  4. Step 4: Simplify right side
    201,827.06x = 34,614,928,601.97
  5. Step 5: Solve for x
    x = 34,614,928,601.97/201,827.06
  6. Step 6: Final answer
    x = 171,507.87

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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.