Home / 165,797.34-248,501.21-76,863.66

Finding the Fourth Proportional to 165,797.34, 248,501.21 and 76,863.66

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Solution

The fourth proportional to 165,797.34, 248,501.21 and 76,863.66 is: 115,205.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,797.34 : 248,501.21 = 76,863.66 : x
  2. Step 2: Convert to fraction form
    165,797.34/248,501.21 = 76,863.66/x
  3. Step 3: Cross multiply
    165,797.34x = 248,501.21 × 76,863.66
  4. Step 4: Simplify right side
    165,797.34x = 19,100,712,130.71
  5. Step 5: Solve for x
    x = 19,100,712,130.71/165,797.34
  6. Step 6: Final answer
    x = 115,205.18

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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.