Home / 133,454.86-184,149.55-79,728.50

Finding the Fourth Proportional to 133,454.86, 184,149.55 and 79,728.50

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Solution

The fourth proportional to 133,454.86, 184,149.55 and 79,728.50 is: 110,014.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,454.86 : 184,149.55 = 79,728.50 : x
  2. Step 2: Convert to fraction form
    133,454.86/184,149.55 = 79,728.50/x
  3. Step 3: Cross multiply
    133,454.86x = 184,149.55 × 79,728.50
  4. Step 4: Simplify right side
    133,454.86x = 14,681,967,397.18
  5. Step 5: Solve for x
    x = 14,681,967,397.18/133,454.86
  6. Step 6: Final answer
    x = 110,014.48

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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.