Home / 124,805.54-172,231.73-68,216.91

Finding the Fourth Proportional to 124,805.54, 172,231.73 and 68,216.91

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Solution

The fourth proportional to 124,805.54, 172,231.73 and 68,216.91 is: 94,139.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,805.54 : 172,231.73 = 68,216.91 : x
  2. Step 2: Convert to fraction form
    124,805.54/172,231.73 = 68,216.91/x
  3. Step 3: Cross multiply
    124,805.54x = 172,231.73 × 68,216.91
  4. Step 4: Simplify right side
    124,805.54x = 11,749,116,083.47
  5. Step 5: Solve for x
    x = 11,749,116,083.47/124,805.54
  6. Step 6: Final answer
    x = 94,139.38

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1.5x scale

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.