Home / 60,143.14-90,190.05-18,008.38

Finding the Fourth Proportional to 60,143.14, 90,190.05 and 18,008.38

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Solution

The fourth proportional to 60,143.14, 90,190.05 and 18,008.38 is: 27,005.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,143.14 : 90,190.05 = 18,008.38 : x
  2. Step 2: Convert to fraction form
    60,143.14/90,190.05 = 18,008.38/x
  3. Step 3: Cross multiply
    60,143.14x = 90,190.05 × 18,008.38
  4. Step 4: Simplify right side
    60,143.14x = 1,624,176,692.62
  5. Step 5: Solve for x
    x = 1,624,176,692.62/60,143.14
  6. Step 6: Final answer
    x = 27,005.19

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1.5x scale

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.