Home / 159,904.98-220,669.20-88,285.14

Finding the Fourth Proportional to 159,904.98, 220,669.20 and 88,285.14

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Solution

The fourth proportional to 159,904.98, 220,669.20 and 88,285.14 is: 121,833.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,904.98 : 220,669.20 = 88,285.14 : x
  2. Step 2: Convert to fraction form
    159,904.98/220,669.20 = 88,285.14/x
  3. Step 3: Cross multiply
    159,904.98x = 220,669.20 × 88,285.14
  4. Step 4: Simplify right side
    159,904.98x = 19,481,811,215.69
  5. Step 5: Solve for x
    x = 19,481,811,215.69/159,904.98
  6. Step 6: Final answer
    x = 121,833.67

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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.