Home / 145,542.24-200,872.32-91,856.48

Finding the Fourth Proportional to 145,542.24, 200,872.32 and 91,856.48

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Solution

The fourth proportional to 145,542.24, 200,872.32 and 91,856.48 is: 126,777.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,542.24 : 200,872.32 = 91,856.48 : x
  2. Step 2: Convert to fraction form
    145,542.24/200,872.32 = 91,856.48/x
  3. Step 3: Cross multiply
    145,542.24x = 200,872.32 × 91,856.48
  4. Step 4: Simplify right side
    145,542.24x = 18,451,424,244.63
  5. Step 5: Solve for x
    x = 18,451,424,244.63/145,542.24
  6. Step 6: Final answer
    x = 126,777.11

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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.