Home / 200,917.56-277,263.30-114,875.64

Finding the Fourth Proportional to 200,917.56, 277,263.30 and 114,875.64

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Solution

The fourth proportional to 200,917.56, 277,263.30 and 114,875.64 is: 158,526.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,917.56 : 277,263.30 = 114,875.64 : x
  2. Step 2: Convert to fraction form
    200,917.56/277,263.30 = 114,875.64/x
  3. Step 3: Cross multiply
    200,917.56x = 277,263.30 × 114,875.64
  4. Step 4: Simplify right side
    200,917.56x = 31,850,799,036.01
  5. Step 5: Solve for x
    x = 31,850,799,036.01/200,917.56
  6. Step 6: Final answer
    x = 158,526.71

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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.