Home / 143,826.60-215,705.34-73,669.80

Finding the Fourth Proportional to 143,826.60, 215,705.34 and 73,669.80

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Solution

The fourth proportional to 143,826.60, 215,705.34 and 73,669.80 is: 110,487.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,826.60 : 215,705.34 = 73,669.80 : x
  2. Step 2: Convert to fraction form
    143,826.60/215,705.34 = 73,669.80/x
  3. Step 3: Cross multiply
    143,826.60x = 215,705.34 × 73,669.80
  4. Step 4: Simplify right side
    143,826.60x = 15,890,969,256.73
  5. Step 5: Solve for x
    x = 15,890,969,256.73/143,826.60
  6. Step 6: Final answer
    x = 110,487.00

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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.