Home / 156,009.06-215,291.16-88,026.54

Finding the Fourth Proportional to 156,009.06, 215,291.16 and 88,026.54

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Solution

The fourth proportional to 156,009.06, 215,291.16 and 88,026.54 is: 121,475.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,009.06 : 215,291.16 = 88,026.54 : x
  2. Step 2: Convert to fraction form
    156,009.06/215,291.16 = 88,026.54/x
  3. Step 3: Cross multiply
    156,009.06x = 215,291.16 × 88,026.54
  4. Step 4: Simplify right side
    156,009.06x = 18,951,335,907.39
  5. Step 5: Solve for x
    x = 18,951,335,907.39/156,009.06
  6. Step 6: Final answer
    x = 121,475.87

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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.