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Finding the Fourth Proportional to 149,073.60, 223,615.80 and 43,903.20

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Solution

The fourth proportional to 149,073.60, 223,615.80 and 43,903.20 is: 65,856.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,073.60 : 223,615.80 = 43,903.20 : x
  2. Step 2: Convert to fraction form
    149,073.60/223,615.80 = 43,903.20/x
  3. Step 3: Cross multiply
    149,073.60x = 223,615.80 × 43,903.20
  4. Step 4: Simplify right side
    149,073.60x = 9,817,449,190.56
  5. Step 5: Solve for x
    x = 9,817,449,190.56/149,073.60
  6. Step 6: Final answer
    x = 65,856.39

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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.