Home / 178,719.03-246,495.60-121,402.55

Finding the Fourth Proportional to 178,719.03, 246,495.60 and 121,402.55

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Solution

The fourth proportional to 178,719.03, 246,495.60 and 121,402.55 is: 167,442.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,719.03 : 246,495.60 = 121,402.55 : x
  2. Step 2: Convert to fraction form
    178,719.03/246,495.60 = 121,402.55/x
  3. Step 3: Cross multiply
    178,719.03x = 246,495.60 × 121,402.55
  4. Step 4: Simplify right side
    178,719.03x = 29,925,193,171.30
  5. Step 5: Solve for x
    x = 29,925,193,171.30/178,719.03
  6. Step 6: Final answer
    x = 167,442.68

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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.