Home / 94,669.40-142,004.10-28,119.80

Finding the Fourth Proportional to 94,669.40, 142,004.10 and 28,119.80

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Solution

The fourth proportional to 94,669.40, 142,004.10 and 28,119.80 is: 42,179.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,669.40 : 142,004.10 = 28,119.80 : x
  2. Step 2: Convert to fraction form
    94,669.40/142,004.10 = 28,119.80/x
  3. Step 3: Cross multiply
    94,669.40x = 142,004.10 × 28,119.80
  4. Step 4: Simplify right side
    94,669.40x = 3,993,126,891.18
  5. Step 5: Solve for x
    x = 3,993,126,891.18/94,669.40
  6. Step 6: Final answer
    x = 42,179.70

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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.