Home / 149,028.10-223,412.55-89,800.90

Finding the Fourth Proportional to 149,028.10, 223,412.55 and 89,800.90

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Solution

The fourth proportional to 149,028.10, 223,412.55 and 89,800.90 is: 134,623.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,028.10 : 223,412.55 = 89,800.90 : x
  2. Step 2: Convert to fraction form
    149,028.10/223,412.55 = 89,800.90/x
  3. Step 3: Cross multiply
    149,028.10x = 223,412.55 × 89,800.90
  4. Step 4: Simplify right side
    149,028.10x = 20,062,648,061.30
  5. Step 5: Solve for x
    x = 20,062,648,061.30/149,028.10
  6. Step 6: Final answer
    x = 134,623.26

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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.