Home / 103,534.43-155,278.56-40,356.26

Finding the Fourth Proportional to 103,534.43, 155,278.56 and 40,356.26

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Solution

The fourth proportional to 103,534.43, 155,278.56 and 40,356.26 is: 60,525.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,534.43 : 155,278.56 = 40,356.26 : x
  2. Step 2: Convert to fraction form
    103,534.43/155,278.56 = 40,356.26/x
  3. Step 3: Cross multiply
    103,534.43x = 155,278.56 × 40,356.26
  4. Step 4: Simplify right side
    103,534.43x = 6,266,461,163.39
  5. Step 5: Solve for x
    x = 6,266,461,163.39/103,534.43
  6. Step 6: Final answer
    x = 60,525.38

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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.