Home / 159,441.75-220,013.64-98,178.12

Finding the Fourth Proportional to 159,441.75, 220,013.64 and 98,178.12

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Solution

The fourth proportional to 159,441.75, 220,013.64 and 98,178.12 is: 135,475.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,441.75 : 220,013.64 = 98,178.12 : x
  2. Step 2: Convert to fraction form
    159,441.75/220,013.64 = 98,178.12/x
  3. Step 3: Cross multiply
    159,441.75x = 220,013.64 × 98,178.12
  4. Step 4: Simplify right side
    159,441.75x = 21,600,525,206.89
  5. Step 5: Solve for x
    x = 21,600,525,206.89/159,441.75
  6. Step 6: Final answer
    x = 135,475.97

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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.