Home / 175,431.16-242,122.31-115,176.58

Finding the Fourth Proportional to 175,431.16, 242,122.31 and 115,176.58

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Solution

The fourth proportional to 175,431.16, 242,122.31 and 115,176.58 is: 158,961.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,431.16 : 242,122.31 = 115,176.58 : x
  2. Step 2: Convert to fraction form
    175,431.16/242,122.31 = 115,176.58/x
  3. Step 3: Cross multiply
    175,431.16x = 242,122.31 × 115,176.58
  4. Step 4: Simplify right side
    175,431.16x = 27,886,819,636.92
  5. Step 5: Solve for x
    x = 27,886,819,636.92/175,431.16
  6. Step 6: Final answer
    x = 158,961.61

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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.