Home / 205,585.02-283,718.16-124,999.20

Finding the Fourth Proportional to 205,585.02, 283,718.16 and 124,999.20

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Solution

The fourth proportional to 205,585.02, 283,718.16 and 124,999.20 is: 172,505.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,585.02 : 283,718.16 = 124,999.20 : x
  2. Step 2: Convert to fraction form
    205,585.02/283,718.16 = 124,999.20/x
  3. Step 3: Cross multiply
    205,585.02x = 283,718.16 × 124,999.20
  4. Step 4: Simplify right side
    205,585.02x = 35,464,543,025.47
  5. Step 5: Solve for x
    x = 35,464,543,025.47/205,585.02
  6. Step 6: Final answer
    x = 172,505.48

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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.