Home / 101,811.33-140,582.18-63,615.38

Finding the Fourth Proportional to 101,811.33, 140,582.18 and 63,615.38

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Solution

The fourth proportional to 101,811.33, 140,582.18 and 63,615.38 is: 87,840.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,811.33 : 140,582.18 = 63,615.38 : x
  2. Step 2: Convert to fraction form
    101,811.33/140,582.18 = 63,615.38/x
  3. Step 3: Cross multiply
    101,811.33x = 140,582.18 × 63,615.38
  4. Step 4: Simplify right side
    101,811.33x = 8,943,188,258.06
  5. Step 5: Solve for x
    x = 8,943,188,258.06/101,811.33
  6. Step 6: Final answer
    x = 87,840.80

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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.