Home / 185,629.95-278,444.61-67,301.10

Finding the Fourth Proportional to 185,629.95, 278,444.61 and 67,301.10

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Solution

The fourth proportional to 185,629.95, 278,444.61 and 67,301.10 is: 100,951.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,629.95 : 278,444.61 = 67,301.10 : x
  2. Step 2: Convert to fraction form
    185,629.95/278,444.61 = 67,301.10/x
  3. Step 3: Cross multiply
    185,629.95x = 278,444.61 × 67,301.10
  4. Step 4: Simplify right side
    185,629.95x = 18,739,628,542.07
  5. Step 5: Solve for x
    x = 18,739,628,542.07/185,629.95
  6. Step 6: Final answer
    x = 100,951.54

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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.