Home / 108,889.80-163,257.48-42,273.78

Finding the Fourth Proportional to 108,889.80, 163,257.48 and 42,273.78

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Solution

The fourth proportional to 108,889.80, 163,257.48 and 42,273.78 is: 63,380.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,889.80 : 163,257.48 = 42,273.78 : x
  2. Step 2: Convert to fraction form
    108,889.80/163,257.48 = 42,273.78/x
  3. Step 3: Cross multiply
    108,889.80x = 163,257.48 × 42,273.78
  4. Step 4: Simplify right side
    108,889.80x = 6,901,510,792.87
  5. Step 5: Solve for x
    x = 6,901,510,792.87/108,889.80
  6. Step 6: Final answer
    x = 63,380.69

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1.5x scale

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.