Home / 143,360.14-197,848.96-79,703.86

Finding the Fourth Proportional to 143,360.14, 197,848.96 and 79,703.86

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Solution

The fourth proportional to 143,360.14, 197,848.96 and 79,703.86 is: 109,997.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,360.14 : 197,848.96 = 79,703.86 : x
  2. Step 2: Convert to fraction form
    143,360.14/197,848.96 = 79,703.86/x
  3. Step 3: Cross multiply
    143,360.14x = 197,848.96 × 79,703.86
  4. Step 4: Simplify right side
    143,360.14x = 15,769,325,808.99
  5. Step 5: Solve for x
    x = 15,769,325,808.99/143,360.14
  6. Step 6: Final answer
    x = 109,997.98

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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.