Home / 124,736.96-172,280.52-90,896.80

Finding the Fourth Proportional to 124,736.96, 172,280.52 and 90,896.80

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Solution

The fourth proportional to 124,736.96, 172,280.52 and 90,896.80 is: 125,542.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,736.96 : 172,280.52 = 90,896.80 : x
  2. Step 2: Convert to fraction form
    124,736.96/172,280.52 = 90,896.80/x
  3. Step 3: Cross multiply
    124,736.96x = 172,280.52 × 90,896.80
  4. Step 4: Simplify right side
    124,736.96x = 15,659,747,970.34
  5. Step 5: Solve for x
    x = 15,659,747,970.34/124,736.96
  6. Step 6: Final answer
    x = 125,542.16

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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.