Home / 178,928.12-246,975.82-115,265.72

Finding the Fourth Proportional to 178,928.12, 246,975.82 and 115,265.72

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Solution

The fourth proportional to 178,928.12, 246,975.82 and 115,265.72 is: 159,102.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,928.12 : 246,975.82 = 115,265.72 : x
  2. Step 2: Convert to fraction form
    178,928.12/246,975.82 = 115,265.72/x
  3. Step 3: Cross multiply
    178,928.12x = 246,975.82 × 115,265.72
  4. Step 4: Simplify right side
    178,928.12x = 28,467,845,714.89
  5. Step 5: Solve for x
    x = 28,467,845,714.89/178,928.12
  6. Step 6: Final answer
    x = 159,102.13

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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.