Home / 159,983.74-240,045.68-75,804

Finding the Fourth Proportional to 159,983.74, 240,045.68 and 75,804

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Solution

The fourth proportional to 159,983.74, 240,045.68 and 75,804 is: 113,739.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,983.74 : 240,045.68 = 75,804 : x
  2. Step 2: Convert to fraction form
    159,983.74/240,045.68 = 75,804/x
  3. Step 3: Cross multiply
    159,983.74x = 240,045.68 × 75,804
  4. Step 4: Simplify right side
    159,983.74x = 18,196,422,726.72
  5. Step 5: Solve for x
    x = 18,196,422,726.72/159,983.74
  6. Step 6: Final answer
    x = 113,739.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.