Home / 103,536.12-155,274.16-40,342.15

Finding the Fourth Proportional to 103,536.12, 155,274.16 and 40,342.15

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Solution

The fourth proportional to 103,536.12, 155,274.16 and 40,342.15 is: 60,501.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,536.12 : 155,274.16 = 40,342.15 : x
  2. Step 2: Convert to fraction form
    103,536.12/155,274.16 = 40,342.15/x
  3. Step 3: Cross multiply
    103,536.12x = 155,274.16 × 40,342.15
  4. Step 4: Simplify right side
    103,536.12x = 6,264,093,453.84
  5. Step 5: Solve for x
    x = 6,264,093,453.84/103,536.12
  6. Step 6: Final answer
    x = 60,501.53

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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.