Home / 159,005.24-219,426.52-91,021.84

Finding the Fourth Proportional to 159,005.24, 219,426.52 and 91,021.84

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Solution

The fourth proportional to 159,005.24, 219,426.52 and 91,021.84 is: 125,609.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,005.24 : 219,426.52 = 91,021.84 : x
  2. Step 2: Convert to fraction form
    159,005.24/219,426.52 = 91,021.84/x
  3. Step 3: Cross multiply
    159,005.24x = 219,426.52 × 91,021.84
  4. Step 4: Simplify right side
    159,005.24x = 19,972,605,595.20
  5. Step 5: Solve for x
    x = 19,972,605,595.20/159,005.24
  6. Step 6: Final answer
    x = 125,609.73

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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.