Home / 159,332.33-219,829.01-90,410.38

Finding the Fourth Proportional to 159,332.33, 219,829.01 and 90,410.38

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Solution

The fourth proportional to 159,332.33, 219,829.01 and 90,410.38 is: 124,738.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,332.33 : 219,829.01 = 90,410.38 : x
  2. Step 2: Convert to fraction form
    159,332.33/219,829.01 = 90,410.38/x
  3. Step 3: Cross multiply
    159,332.33x = 219,829.01 × 90,410.38
  4. Step 4: Simplify right side
    159,332.33x = 19,874,823,327.50
  5. Step 5: Solve for x
    x = 19,874,823,327.50/159,332.33
  6. Step 6: Final answer
    x = 124,738.17

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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.