Home / 137,054.28-205,553-52,785.48

Finding the Fourth Proportional to 137,054.28, 205,553 and 52,785.48

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Solution

The fourth proportional to 137,054.28, 205,553 and 52,785.48 is: 79,167.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,054.28 : 205,553 = 52,785.48 : x
  2. Step 2: Convert to fraction form
    137,054.28/205,553 = 52,785.48/x
  3. Step 3: Cross multiply
    137,054.28x = 205,553 × 52,785.48
  4. Step 4: Simplify right side
    137,054.28x = 10,850,213,770.44
  5. Step 5: Solve for x
    x = 10,850,213,770.44/137,054.28
  6. Step 6: Final answer
    x = 79,167.27

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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.