Home / 124,735.04-172,127.92-68,135.52

Finding the Fourth Proportional to 124,735.04, 172,127.92 and 68,135.52

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Solution

The fourth proportional to 124,735.04, 172,127.92 and 68,135.52 is: 94,023.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,735.04 : 172,127.92 = 68,135.52 : x
  2. Step 2: Convert to fraction form
    124,735.04/172,127.92 = 68,135.52/x
  3. Step 3: Cross multiply
    124,735.04x = 172,127.92 × 68,135.52
  4. Step 4: Simplify right side
    124,735.04x = 11,728,025,335.72
  5. Step 5: Solve for x
    x = 11,728,025,335.72/124,735.04
  6. Step 6: Final answer
    x = 94,023.50

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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.