Home / 133,468.57-184,082.66-85,726.36

Finding the Fourth Proportional to 133,468.57, 184,082.66 and 85,726.36

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Solution

The fourth proportional to 133,468.57, 184,082.66 and 85,726.36 is: 118,235.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,468.57 : 184,082.66 = 85,726.36 : x
  2. Step 2: Convert to fraction form
    133,468.57/184,082.66 = 85,726.36/x
  3. Step 3: Cross multiply
    133,468.57x = 184,082.66 × 85,726.36
  4. Step 4: Simplify right side
    133,468.57x = 15,780,736,380.92
  5. Step 5: Solve for x
    x = 15,780,736,380.92/133,468.57
  6. Step 6: Final answer
    x = 118,235.60

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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.