Home / 143,434.26-197,944.74-79,776.66

Finding the Fourth Proportional to 143,434.26, 197,944.74 and 79,776.66

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Solution

The fourth proportional to 143,434.26, 197,944.74 and 79,776.66 is: 110,094.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,434.26 : 197,944.74 = 79,776.66 : x
  2. Step 2: Convert to fraction form
    143,434.26/197,944.74 = 79,776.66/x
  3. Step 3: Cross multiply
    143,434.26x = 197,944.74 × 79,776.66
  4. Step 4: Simplify right side
    143,434.26x = 15,791,370,221.77
  5. Step 5: Solve for x
    x = 15,791,370,221.77/143,434.26
  6. Step 6: Final answer
    x = 110,094.83

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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.