Home / 151,201.00-208,657.40-82,290.72

Finding the Fourth Proportional to 151,201.00, 208,657.40 and 82,290.72

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Solution

The fourth proportional to 151,201.00, 208,657.40 and 82,290.72 is: 113,561.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,201.00 : 208,657.40 = 82,290.72 : x
  2. Step 2: Convert to fraction form
    151,201.00/208,657.40 = 82,290.72/x
  3. Step 3: Cross multiply
    151,201.00x = 208,657.40 × 82,290.72
  4. Step 4: Simplify right side
    151,201.00x = 17,170,567,267.87
  5. Step 5: Solve for x
    x = 17,170,567,267.87/151,201.00
  6. Step 6: Final answer
    x = 113,561.20

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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.