Home / 100,258.50-138,356.76-59,973.96

Finding the Fourth Proportional to 100,258.50, 138,356.76 and 59,973.96

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Solution

The fourth proportional to 100,258.50, 138,356.76 and 59,973.96 is: 82,764.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,258.50 : 138,356.76 = 59,973.96 : x
  2. Step 2: Convert to fraction form
    100,258.50/138,356.76 = 59,973.96/x
  3. Step 3: Cross multiply
    100,258.50x = 138,356.76 × 59,973.96
  4. Step 4: Simplify right side
    100,258.50x = 8,297,802,789.97
  5. Step 5: Solve for x
    x = 8,297,802,789.97/100,258.50
  6. Step 6: Final answer
    x = 82,764.08

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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.