Home / 104,828.40-156,983.40-69,577.20

Finding the Fourth Proportional to 104,828.40, 156,983.40 and 69,577.20

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Solution

The fourth proportional to 104,828.40, 156,983.40 and 69,577.20 is: 104,193.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,828.40 : 156,983.40 = 69,577.20 : x
  2. Step 2: Convert to fraction form
    104,828.40/156,983.40 = 69,577.20/x
  3. Step 3: Cross multiply
    104,828.40x = 156,983.40 × 69,577.20
  4. Step 4: Simplify right side
    104,828.40x = 10,922,465,418.48
  5. Step 5: Solve for x
    x = 10,922,465,418.48/104,828.40
  6. Step 6: Final answer
    x = 104,193.76

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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.