Home / 110,099.84-151,930.58-64,769.05

Finding the Fourth Proportional to 110,099.84, 151,930.58 and 64,769.05

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Solution

The fourth proportional to 110,099.84, 151,930.58 and 64,769.05 is: 89,377.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,099.84 : 151,930.58 = 64,769.05 : x
  2. Step 2: Convert to fraction form
    110,099.84/151,930.58 = 64,769.05/x
  3. Step 3: Cross multiply
    110,099.84x = 151,930.58 × 64,769.05
  4. Step 4: Simplify right side
    110,099.84x = 9,840,399,198.62
  5. Step 5: Solve for x
    x = 9,840,399,198.62/110,099.84
  6. Step 6: Final answer
    x = 89,377.06

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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.