Home / 124,974.84-172,470.06-71,268.60

Finding the Fourth Proportional to 124,974.84, 172,470.06 and 71,268.60

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Solution

The fourth proportional to 124,974.84, 172,470.06 and 71,268.60 is: 98,353.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,974.84 : 172,470.06 = 71,268.60 : x
  2. Step 2: Convert to fraction form
    124,974.84/172,470.06 = 71,268.60/x
  3. Step 3: Cross multiply
    124,974.84x = 172,470.06 × 71,268.60
  4. Step 4: Simplify right side
    124,974.84x = 12,291,699,718.12
  5. Step 5: Solve for x
    x = 12,291,699,718.12/124,974.84
  6. Step 6: Final answer
    x = 98,353.39

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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.