Home / 89,272.56-133,908.84-36,667.92

Finding the Fourth Proportional to 89,272.56, 133,908.84 and 36,667.92

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Solution

The fourth proportional to 89,272.56, 133,908.84 and 36,667.92 is: 55,001.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,272.56 : 133,908.84 = 36,667.92 : x
  2. Step 2: Convert to fraction form
    89,272.56/133,908.84 = 36,667.92/x
  3. Step 3: Cross multiply
    89,272.56x = 133,908.84 × 36,667.92
  4. Step 4: Simplify right side
    89,272.56x = 4,910,158,632.41
  5. Step 5: Solve for x
    x = 4,910,158,632.41/89,272.56
  6. Step 6: Final answer
    x = 55,001.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.