Home / 133,452.86-184,146.80-79,726.50

Finding the Fourth Proportional to 133,452.86, 184,146.80 and 79,726.50

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Solution

The fourth proportional to 133,452.86, 184,146.80 and 79,726.50 is: 110,011.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,452.86 : 184,146.80 = 79,726.50 : x
  2. Step 2: Convert to fraction form
    133,452.86/184,146.80 = 79,726.50/x
  3. Step 3: Cross multiply
    133,452.86x = 184,146.80 × 79,726.50
  4. Step 4: Simplify right side
    133,452.86x = 14,681,379,451.57
  5. Step 5: Solve for x
    x = 14,681,379,451.57/133,452.86
  6. Step 6: Final answer
    x = 110,011.73

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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.