Home / 268,127.13-402,190.32-68,447.52

Finding the Fourth Proportional to 268,127.13, 402,190.32 and 68,447.52

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Solution

The fourth proportional to 268,127.13, 402,190.32 and 68,447.52 is: 102,671.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,127.13 : 402,190.32 = 68,447.52 : x
  2. Step 2: Convert to fraction form
    268,127.13/402,190.32 = 68,447.52/x
  3. Step 3: Cross multiply
    268,127.13x = 402,190.32 × 68,447.52
  4. Step 4: Simplify right side
    268,127.13x = 27,528,929,972.01
  5. Step 5: Solve for x
    x = 27,528,929,972.01/268,127.13
  6. Step 6: Final answer
    x = 102,671.18

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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.