Home / 200,780.51-277,084.78-110,140.29

Finding the Fourth Proportional to 200,780.51, 277,084.78 and 110,140.29

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Solution

The fourth proportional to 200,780.51, 277,084.78 and 110,140.29 is: 151,997.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,780.51 : 277,084.78 = 110,140.29 : x
  2. Step 2: Convert to fraction form
    200,780.51/277,084.78 = 110,140.29/x
  3. Step 3: Cross multiply
    200,780.51x = 277,084.78 × 110,140.29
  4. Step 4: Simplify right side
    200,780.51x = 30,518,197,748.44
  5. Step 5: Solve for x
    x = 30,518,197,748.44/200,780.51
  6. Step 6: Final answer
    x = 151,997.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.