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Finding the Fourth Proportional to 200,009.63, 276,082.80 and 115,160.51

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Solution

The fourth proportional to 200,009.63, 276,082.80 and 115,160.51 is: 158,961.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,009.63 : 276,082.80 = 115,160.51 : x
  2. Step 2: Convert to fraction form
    200,009.63/276,082.80 = 115,160.51/x
  3. Step 3: Cross multiply
    200,009.63x = 276,082.80 × 115,160.51
  4. Step 4: Simplify right side
    200,009.63x = 31,793,836,050.23
  5. Step 5: Solve for x
    x = 31,793,836,050.23/200,009.63
  6. Step 6: Final answer
    x = 158,961.53

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1.5x scale

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.