Home / 154,524.53-213,219.49-90,004.38

Finding the Fourth Proportional to 154,524.53, 213,219.49 and 90,004.38

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Solution

The fourth proportional to 154,524.53, 213,219.49 and 90,004.38 is: 124,191.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,524.53 : 213,219.49 = 90,004.38 : x
  2. Step 2: Convert to fraction form
    154,524.53/213,219.49 = 90,004.38/x
  3. Step 3: Cross multiply
    154,524.53x = 213,219.49 × 90,004.38
  4. Step 4: Simplify right side
    154,524.53x = 19,190,688,344.90
  5. Step 5: Solve for x
    x = 19,190,688,344.90/154,524.53
  6. Step 6: Final answer
    x = 124,191.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.