Home / 165,799.34-248,504.20-76,865.66

Finding the Fourth Proportional to 165,799.34, 248,504.20 and 76,865.66

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Solution

The fourth proportional to 165,799.34, 248,504.20 and 76,865.66 is: 115,208.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,799.34 : 248,504.20 = 76,865.66 : x
  2. Step 2: Convert to fraction form
    165,799.34/248,504.20 = 76,865.66/x
  3. Step 3: Cross multiply
    165,799.34x = 248,504.20 × 76,865.66
  4. Step 4: Simplify right side
    165,799.34x = 19,101,439,345.77
  5. Step 5: Solve for x
    x = 19,101,439,345.77/165,799.34
  6. Step 6: Final answer
    x = 115,208.17

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1.5x scale

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.