Home / 149,439.21-224,048.09-90,261.04

Finding the Fourth Proportional to 149,439.21, 224,048.09 and 90,261.04

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Solution

The fourth proportional to 149,439.21, 224,048.09 and 90,261.04 is: 135,324.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,439.21 : 224,048.09 = 90,261.04 : x
  2. Step 2: Convert to fraction form
    149,439.21/224,048.09 = 90,261.04/x
  3. Step 3: Cross multiply
    149,439.21x = 224,048.09 × 90,261.04
  4. Step 4: Simplify right side
    149,439.21x = 20,222,813,162.11
  5. Step 5: Solve for x
    x = 20,222,813,162.11/149,439.21
  6. Step 6: Final answer
    x = 135,324.68

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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.