Home / 178,915.15-246,926.24-115,437.61

Finding the Fourth Proportional to 178,915.15, 246,926.24 and 115,437.61

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Solution

The fourth proportional to 178,915.15, 246,926.24 and 115,437.61 is: 159,318.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,915.15 : 246,926.24 = 115,437.61 : x
  2. Step 2: Convert to fraction form
    178,915.15/246,926.24 = 115,437.61/x
  3. Step 3: Cross multiply
    178,915.15x = 246,926.24 × 115,437.61
  4. Step 4: Simplify right side
    178,915.15x = 28,504,574,991.89
  5. Step 5: Solve for x
    x = 28,504,574,991.89/178,915.15
  6. Step 6: Final answer
    x = 159,318.96

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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.