Home / 104,550.48-156,822.84-42,218.64

Finding the Fourth Proportional to 104,550.48, 156,822.84 and 42,218.64

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Solution

The fourth proportional to 104,550.48, 156,822.84 and 42,218.64 is: 63,326.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,550.48 : 156,822.84 = 42,218.64 : x
  2. Step 2: Convert to fraction form
    104,550.48/156,822.84 = 42,218.64/x
  3. Step 3: Cross multiply
    104,550.48x = 156,822.84 × 42,218.64
  4. Step 4: Simplify right side
    104,550.48x = 6,620,847,025.74
  5. Step 5: Solve for x
    x = 6,620,847,025.74/104,550.48
  6. Step 6: Final answer
    x = 63,326.80

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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.