Home / 156,418.24-234,627.31-135,295.47

Finding the Fourth Proportional to 156,418.24, 234,627.31 and 135,295.47

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Solution

The fourth proportional to 156,418.24, 234,627.31 and 135,295.47 is: 202,943.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,418.24 : 234,627.31 = 135,295.47 : x
  2. Step 2: Convert to fraction form
    156,418.24/234,627.31 = 135,295.47/x
  3. Step 3: Cross multiply
    156,418.24x = 234,627.31 × 135,295.47
  4. Step 4: Simplify right side
    156,418.24x = 31,744,012,181.29
  5. Step 5: Solve for x
    x = 31,744,012,181.29/156,418.24
  6. Step 6: Final answer
    x = 202,943.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.