Home / 178,788.16-246,693.30-121,472.92

Finding the Fourth Proportional to 178,788.16, 246,693.30 and 121,472.92

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Solution

The fourth proportional to 178,788.16, 246,693.30 and 121,472.92 is: 167,609.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,788.16 : 246,693.30 = 121,472.92 : x
  2. Step 2: Convert to fraction form
    178,788.16/246,693.30 = 121,472.92/x
  3. Step 3: Cross multiply
    178,788.16x = 246,693.30 × 121,472.92
  4. Step 4: Simplify right side
    178,788.16x = 29,966,555,495.44
  5. Step 5: Solve for x
    x = 29,966,555,495.44/178,788.16
  6. Step 6: Final answer
    x = 167,609.28

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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.