Home / 142,224.21-213,452.96-72,123.57

Finding the Fourth Proportional to 142,224.21, 213,452.96 and 72,123.57

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Solution

The fourth proportional to 142,224.21, 213,452.96 and 72,123.57 is: 108,244.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,224.21 : 213,452.96 = 72,123.57 : x
  2. Step 2: Convert to fraction form
    142,224.21/213,452.96 = 72,123.57/x
  3. Step 3: Cross multiply
    142,224.21x = 213,452.96 × 72,123.57
  4. Step 4: Simplify right side
    142,224.21x = 15,394,989,141.65
  5. Step 5: Solve for x
    x = 15,394,989,141.65/142,224.21
  6. Step 6: Final answer
    x = 108,244.50

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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.