Home / 124,918.16-172,384.44-68,327.60

Finding the Fourth Proportional to 124,918.16, 172,384.44 and 68,327.60

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Solution

The fourth proportional to 124,918.16, 172,384.44 and 68,327.60 is: 94,290.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,918.16 : 172,384.44 = 68,327.60 : x
  2. Step 2: Convert to fraction form
    124,918.16/172,384.44 = 68,327.60/x
  3. Step 3: Cross multiply
    124,918.16x = 172,384.44 × 68,327.60
  4. Step 4: Simplify right side
    124,918.16x = 11,778,615,062.54
  5. Step 5: Solve for x
    x = 11,778,615,062.54/124,918.16
  6. Step 6: Final answer
    x = 94,290.65

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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.