Home / 137,867.01-190,208.03-90,148.29

Finding the Fourth Proportional to 137,867.01, 190,208.03 and 90,148.29

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Solution

The fourth proportional to 137,867.01, 190,208.03 and 90,148.29 is: 124,372.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,867.01 : 190,208.03 = 90,148.29 : x
  2. Step 2: Convert to fraction form
    137,867.01/190,208.03 = 90,148.29/x
  3. Step 3: Cross multiply
    137,867.01x = 190,208.03 × 90,148.29
  4. Step 4: Simplify right side
    137,867.01x = 17,146,928,198.03
  5. Step 5: Solve for x
    x = 17,146,928,198.03/137,867.01
  6. Step 6: Final answer
    x = 124,372.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.