Home / 154,486.15-231,644.56-47,840.50

Finding the Fourth Proportional to 154,486.15, 231,644.56 and 47,840.50

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Solution

The fourth proportional to 154,486.15, 231,644.56 and 47,840.50 is: 71,734.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,486.15 : 231,644.56 = 47,840.50 : x
  2. Step 2: Convert to fraction form
    154,486.15/231,644.56 = 47,840.50/x
  3. Step 3: Cross multiply
    154,486.15x = 231,644.56 × 47,840.50
  4. Step 4: Simplify right side
    154,486.15x = 11,081,991,572.68
  5. Step 5: Solve for x
    x = 11,081,991,572.68/154,486.15
  6. Step 6: Final answer
    x = 71,734.53

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.