Home / 133,100.19-199,531.27-48,840.79

Finding the Fourth Proportional to 133,100.19, 199,531.27 and 48,840.79

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Solution

The fourth proportional to 133,100.19, 199,531.27 and 48,840.79 is: 73,217.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,100.19 : 199,531.27 = 48,840.79 : x
  2. Step 2: Convert to fraction form
    133,100.19/199,531.27 = 48,840.79/x
  3. Step 3: Cross multiply
    133,100.19x = 199,531.27 × 48,840.79
  4. Step 4: Simplify right side
    133,100.19x = 9,745,264,856.50
  5. Step 5: Solve for x
    x = 9,745,264,856.50/133,100.19
  6. Step 6: Final answer
    x = 73,217.51

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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.