Home / 165,352.20-248,001.74-45,381.15

Finding the Fourth Proportional to 165,352.20, 248,001.74 and 45,381.15

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Solution

The fourth proportional to 165,352.20, 248,001.74 and 45,381.15 is: 68,064.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,352.20 : 248,001.74 = 45,381.15 : x
  2. Step 2: Convert to fraction form
    165,352.20/248,001.74 = 45,381.15/x
  3. Step 3: Cross multiply
    165,352.20x = 248,001.74 × 45,381.15
  4. Step 4: Simplify right side
    165,352.20x = 11,254,603,036.65
  5. Step 5: Solve for x
    x = 11,254,603,036.65/165,352.20
  6. Step 6: Final answer
    x = 68,064.43

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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.