Home / 101,837.22-140,506.65-66,028.74

Finding the Fourth Proportional to 101,837.22, 140,506.65 and 66,028.74

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Solution

The fourth proportional to 101,837.22, 140,506.65 and 66,028.74 is: 91,101.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,837.22 : 140,506.65 = 66,028.74 : x
  2. Step 2: Convert to fraction form
    101,837.22/140,506.65 = 66,028.74/x
  3. Step 3: Cross multiply
    101,837.22x = 140,506.65 × 66,028.74
  4. Step 4: Simplify right side
    101,837.22x = 9,277,477,061.12
  5. Step 5: Solve for x
    x = 9,277,477,061.12/101,837.22
  6. Step 6: Final answer
    x = 91,101.04

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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.