Home / 123,640.89-185,435.38-34,873.63

Finding the Fourth Proportional to 123,640.89, 185,435.38 and 34,873.63

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Solution

The fourth proportional to 123,640.89, 185,435.38 and 34,873.63 is: 52,303.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,640.89 : 185,435.38 = 34,873.63 : x
  2. Step 2: Convert to fraction form
    123,640.89/185,435.38 = 34,873.63/x
  3. Step 3: Cross multiply
    123,640.89x = 185,435.38 × 34,873.63
  4. Step 4: Simplify right side
    123,640.89x = 6,466,805,251.03
  5. Step 5: Solve for x
    x = 6,466,805,251.03/123,640.89
  6. Step 6: Final answer
    x = 52,303.13

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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.