Home / 110,105.16-151,942.65-64,161.96

Finding the Fourth Proportional to 110,105.16, 151,942.65 and 64,161.96

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Solution

The fourth proportional to 110,105.16, 151,942.65 and 64,161.96 is: 88,542.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,105.16 : 151,942.65 = 64,161.96 : x
  2. Step 2: Convert to fraction form
    110,105.16/151,942.65 = 64,161.96/x
  3. Step 3: Cross multiply
    110,105.16x = 151,942.65 × 64,161.96
  4. Step 4: Simplify right side
    110,105.16x = 9,748,938,231.59
  5. Step 5: Solve for x
    x = 9,748,938,231.59/110,105.16
  6. Step 6: Final answer
    x = 88,542.06

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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.