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Finding the Fourth Proportional to 155,751.76, 214,713.48 and 110,962

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Solution

The fourth proportional to 155,751.76, 214,713.48 and 110,962 is: 152,968.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,751.76 : 214,713.48 = 110,962 : x
  2. Step 2: Convert to fraction form
    155,751.76/214,713.48 = 110,962/x
  3. Step 3: Cross multiply
    155,751.76x = 214,713.48 × 110,962
  4. Step 4: Simplify right side
    155,751.76x = 23,825,037,167.76
  5. Step 5: Solve for x
    x = 23,825,037,167.76/155,751.76
  6. Step 6: Final answer
    x = 152,968.01

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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.