Home / 178,921.39-246,840.69-115,296.25

Finding the Fourth Proportional to 178,921.39, 246,840.69 and 115,296.25

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Solution

The fourth proportional to 178,921.39, 246,840.69 and 115,296.25 is: 159,063.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,921.39 : 246,840.69 = 115,296.25 : x
  2. Step 2: Convert to fraction form
    178,921.39/246,840.69 = 115,296.25/x
  3. Step 3: Cross multiply
    178,921.39x = 246,840.69 × 115,296.25
  4. Step 4: Simplify right side
    178,921.39x = 28,459,805,904.41
  5. Step 5: Solve for x
    x = 28,459,805,904.41/178,921.39
  6. Step 6: Final answer
    x = 159,063.18

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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.