Home / 268,526.45-402,759.56-68,851.52

Finding the Fourth Proportional to 268,526.45, 402,759.56 and 68,851.52

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Solution

The fourth proportional to 268,526.45, 402,759.56 and 68,851.52 is: 103,269.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,526.45 : 402,759.56 = 68,851.52 : x
  2. Step 2: Convert to fraction form
    268,526.45/402,759.56 = 68,851.52/x
  3. Step 3: Cross multiply
    268,526.45x = 402,759.56 × 68,851.52
  4. Step 4: Simplify right side
    268,526.45x = 27,730,605,542.48
  5. Step 5: Solve for x
    x = 27,730,605,542.48/268,526.45
  6. Step 6: Final answer
    x = 103,269.55

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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.