Home / 195,135.43-292,801.56-76,891.63

Finding the Fourth Proportional to 195,135.43, 292,801.56 and 76,891.63

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Solution

The fourth proportional to 195,135.43, 292,801.56 and 76,891.63 is: 115,376.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,135.43 : 292,801.56 = 76,891.63 : x
  2. Step 2: Convert to fraction form
    195,135.43/292,801.56 = 76,891.63/x
  3. Step 3: Cross multiply
    195,135.43x = 292,801.56 × 76,891.63
  4. Step 4: Simplify right side
    195,135.43x = 22,513,989,214.94
  5. Step 5: Solve for x
    x = 22,513,989,214.94/195,135.43
  6. Step 6: Final answer
    x = 115,376.22

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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.