Home / 205,947.60-284,158.64-125,374.20

Finding the Fourth Proportional to 205,947.60, 284,158.64 and 125,374.20

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Solution

The fourth proportional to 205,947.60, 284,158.64 and 125,374.20 is: 172,986.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,947.60 : 284,158.64 = 125,374.20 : x
  2. Step 2: Convert to fraction form
    205,947.60/284,158.64 = 125,374.20/x
  3. Step 3: Cross multiply
    205,947.60x = 284,158.64 × 125,374.20
  4. Step 4: Simplify right side
    205,947.60x = 35,626,162,163.09
  5. Step 5: Solve for x
    x = 35,626,162,163.09/205,947.60
  6. Step 6: Final answer
    x = 172,986.54

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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.