Home / 60,208.84-90,190.14-28,142.02

Finding the Fourth Proportional to 60,208.84, 90,190.14 and 28,142.02

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Solution

The fourth proportional to 60,208.84, 90,190.14 and 28,142.02 is: 42,155.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,208.84 : 90,190.14 = 28,142.02 : x
  2. Step 2: Convert to fraction form
    60,208.84/90,190.14 = 28,142.02/x
  3. Step 3: Cross multiply
    60,208.84x = 90,190.14 × 28,142.02
  4. Step 4: Simplify right side
    60,208.84x = 2,538,132,723.68
  5. Step 5: Solve for x
    x = 2,538,132,723.68/60,208.84
  6. Step 6: Final answer
    x = 42,155.48

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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.