Home / 165,084.51-247,640.58-52,780.71

Finding the Fourth Proportional to 165,084.51, 247,640.58 and 52,780.71

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Solution

The fourth proportional to 165,084.51, 247,640.58 and 52,780.71 is: 79,175.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,084.51 : 247,640.58 = 52,780.71 : x
  2. Step 2: Convert to fraction form
    165,084.51/247,640.58 = 52,780.71/x
  3. Step 3: Cross multiply
    165,084.51x = 247,640.58 × 52,780.71
  4. Step 4: Simplify right side
    165,084.51x = 13,070,645,637.21
  5. Step 5: Solve for x
    x = 13,070,645,637.21/165,084.51
  6. Step 6: Final answer
    x = 79,175.48

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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.