Home / 103,528.85-155,201.34-40,334.34

Finding the Fourth Proportional to 103,528.85, 155,201.34 and 40,334.34

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Solution

The fourth proportional to 103,528.85, 155,201.34 and 40,334.34 is: 60,465.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,528.85 : 155,201.34 = 40,334.34 : x
  2. Step 2: Convert to fraction form
    103,528.85/155,201.34 = 40,334.34/x
  3. Step 3: Cross multiply
    103,528.85x = 155,201.34 × 40,334.34
  4. Step 4: Simplify right side
    103,528.85x = 6,259,943,616.02
  5. Step 5: Solve for x
    x = 6,259,943,616.02/103,528.85
  6. Step 6: Final answer
    x = 60,465.70

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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.