Home / 149,063.20-223,605.60-89,771.20

Finding the Fourth Proportional to 149,063.20, 223,605.60 and 89,771.20

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Solution

The fourth proportional to 149,063.20, 223,605.60 and 89,771.20 is: 134,663.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,063.20 : 223,605.60 = 89,771.20 : x
  2. Step 2: Convert to fraction form
    149,063.20/223,605.60 = 89,771.20/x
  3. Step 3: Cross multiply
    149,063.20x = 223,605.60 × 89,771.20
  4. Step 4: Simplify right side
    149,063.20x = 20,073,343,038.72
  5. Step 5: Solve for x
    x = 20,073,343,038.72/149,063.20
  6. Step 6: Final answer
    x = 134,663.30

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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.