Home / 149,542.72-224,639.70-90,406.24

Finding the Fourth Proportional to 149,542.72, 224,639.70 and 90,406.24

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Solution

The fourth proportional to 149,542.72, 224,639.70 and 90,406.24 is: 135,806.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,542.72 : 224,639.70 = 90,406.24 : x
  2. Step 2: Convert to fraction form
    149,542.72/224,639.70 = 90,406.24/x
  3. Step 3: Cross multiply
    149,542.72x = 224,639.70 × 90,406.24
  4. Step 4: Simplify right side
    149,542.72x = 20,308,830,631.73
  5. Step 5: Solve for x
    x = 20,308,830,631.73/149,542.72
  6. Step 6: Final answer
    x = 135,806.21

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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.