Home / 123,211.20-184,816.26-48,278.40

Finding the Fourth Proportional to 123,211.20, 184,816.26 and 48,278.40

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Solution

The fourth proportional to 123,211.20, 184,816.26 and 48,278.40 is: 72,417.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,211.20 : 184,816.26 = 48,278.40 : x
  2. Step 2: Convert to fraction form
    123,211.20/184,816.26 = 48,278.40/x
  3. Step 3: Cross multiply
    123,211.20x = 184,816.26 × 48,278.40
  4. Step 4: Simplify right side
    123,211.20x = 8,922,633,326.78
  5. Step 5: Solve for x
    x = 8,922,633,326.78/123,211.20
  6. Step 6: Final answer
    x = 72,417.39

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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.