Home / 101,748.96-140,416.94-61,454.70

Finding the Fourth Proportional to 101,748.96, 140,416.94 and 61,454.70

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Solution

The fourth proportional to 101,748.96, 140,416.94 and 61,454.70 is: 84,809.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,748.96 : 140,416.94 = 61,454.70 : x
  2. Step 2: Convert to fraction form
    101,748.96/140,416.94 = 61,454.70/x
  3. Step 3: Cross multiply
    101,748.96x = 140,416.94 × 61,454.70
  4. Step 4: Simplify right side
    101,748.96x = 8,629,281,076.25
  5. Step 5: Solve for x
    x = 8,629,281,076.25/101,748.96
  6. Step 6: Final answer
    x = 84,809.53

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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.