Home / 104,826.40-156,980.40-69,575.20

Finding the Fourth Proportional to 104,826.40, 156,980.40 and 69,575.20

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Solution

The fourth proportional to 104,826.40, 156,980.40 and 69,575.20 is: 104,190.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,826.40 : 156,980.40 = 69,575.20 : x
  2. Step 2: Convert to fraction form
    104,826.40/156,980.40 = 69,575.20/x
  3. Step 3: Cross multiply
    104,826.40x = 156,980.40 × 69,575.20
  4. Step 4: Simplify right side
    104,826.40x = 10,921,942,726.08
  5. Step 5: Solve for x
    x = 10,921,942,726.08/104,826.40
  6. Step 6: Final answer
    x = 104,190.76

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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.