Home / 124,725.92-172,125.56-68,140.96

Finding the Fourth Proportional to 124,725.92, 172,125.56 and 68,140.96

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Solution

The fourth proportional to 124,725.92, 172,125.56 and 68,140.96 is: 94,036.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,725.92 : 172,125.56 = 68,140.96 : x
  2. Step 2: Convert to fraction form
    124,725.92/172,125.56 = 68,140.96/x
  3. Step 3: Cross multiply
    124,725.92x = 172,125.56 × 68,140.96
  4. Step 4: Simplify right side
    124,725.92x = 11,728,800,898.94
  5. Step 5: Solve for x
    x = 11,728,800,898.94/124,725.92
  6. Step 6: Final answer
    x = 94,036.60

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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.