Home / 124,727.58-172,124.60-68,140.17

Finding the Fourth Proportional to 124,727.58, 172,124.60 and 68,140.17

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Solution

The fourth proportional to 124,727.58, 172,124.60 and 68,140.17 is: 94,033.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,727.58 : 172,124.60 = 68,140.17 : x
  2. Step 2: Convert to fraction form
    124,727.58/172,124.60 = 68,140.17/x
  3. Step 3: Cross multiply
    124,727.58x = 172,124.60 × 68,140.17
  4. Step 4: Simplify right side
    124,727.58x = 11,728,599,164.48
  5. Step 5: Solve for x
    x = 11,728,599,164.48/124,727.58
  6. Step 6: Final answer
    x = 94,033.73

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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.