Home / 149,884.20-224,739.90-56,399.40

Finding the Fourth Proportional to 149,884.20, 224,739.90 and 56,399.40

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Solution

The fourth proportional to 149,884.20, 224,739.90 and 56,399.40 is: 84,566.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,884.20 : 224,739.90 = 56,399.40 : x
  2. Step 2: Convert to fraction form
    149,884.20/224,739.90 = 56,399.40/x
  3. Step 3: Cross multiply
    149,884.20x = 224,739.90 × 56,399.40
  4. Step 4: Simplify right side
    149,884.20x = 12,675,195,516.06
  5. Step 5: Solve for x
    x = 12,675,195,516.06/149,884.20
  6. Step 6: Final answer
    x = 84,566.59

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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.