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Finding the Fourth Proportional to 110,140.75, 151,994.64 and 59,839.75

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Solution

The fourth proportional to 110,140.75, 151,994.64 and 59,839.75 is: 82,579.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,140.75 : 151,994.64 = 59,839.75 : x
  2. Step 2: Convert to fraction form
    110,140.75/151,994.64 = 59,839.75/x
  3. Step 3: Cross multiply
    110,140.75x = 151,994.64 × 59,839.75
  4. Step 4: Simplify right side
    110,140.75x = 9,095,321,258.94
  5. Step 5: Solve for x
    x = 9,095,321,258.94/110,140.75
  6. Step 6: Final answer
    x = 82,579.08

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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.