Home / 149,169.90-223,720.66-42,551.83

Finding the Fourth Proportional to 149,169.90, 223,720.66 and 42,551.83

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Solution

The fourth proportional to 149,169.90, 223,720.66 and 42,551.83 is: 63,817.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,169.90 : 223,720.66 = 42,551.83 : x
  2. Step 2: Convert to fraction form
    149,169.90/223,720.66 = 42,551.83/x
  3. Step 3: Cross multiply
    149,169.90x = 223,720.66 × 42,551.83
  4. Step 4: Simplify right side
    149,169.90x = 9,519,723,491.81
  5. Step 5: Solve for x
    x = 9,519,723,491.81/149,169.90
  6. Step 6: Final answer
    x = 63,817.99

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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.