Home / 149,047.20-223,581.60-89,755.20

Finding the Fourth Proportional to 149,047.20, 223,581.60 and 89,755.20

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Solution

The fourth proportional to 149,047.20, 223,581.60 and 89,755.20 is: 134,639.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,047.20 : 223,581.60 = 89,755.20 : x
  2. Step 2: Convert to fraction form
    149,047.20/223,581.60 = 89,755.20/x
  3. Step 3: Cross multiply
    149,047.20x = 223,581.60 × 89,755.20
  4. Step 4: Simplify right side
    149,047.20x = 20,067,611,224.32
  5. Step 5: Solve for x
    x = 20,067,611,224.32/149,047.20
  6. Step 6: Final answer
    x = 134,639.30

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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.