Home / 101,962.56-140,748.48-64,229.76

Finding the Fourth Proportional to 101,962.56, 140,748.48 and 64,229.76

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Solution

The fourth proportional to 101,962.56, 140,748.48 and 64,229.76 is: 88,662.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,962.56 : 140,748.48 = 64,229.76 : x
  2. Step 2: Convert to fraction form
    101,962.56/140,748.48 = 64,229.76/x
  3. Step 3: Cross multiply
    101,962.56x = 140,748.48 × 64,229.76
  4. Step 4: Simplify right side
    101,962.56x = 9,040,241,090.76
  5. Step 5: Solve for x
    x = 9,040,241,090.76/101,962.56
  6. Step 6: Final answer
    x = 88,662.36

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1.5x scale

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.