Home / 138,698.24-208,047.35-88,801.83

Finding the Fourth Proportional to 138,698.24, 208,047.35 and 88,801.83

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Solution

The fourth proportional to 138,698.24, 208,047.35 and 88,801.83 is: 133,202.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,698.24 : 208,047.35 = 88,801.83 : x
  2. Step 2: Convert to fraction form
    138,698.24/208,047.35 = 88,801.83/x
  3. Step 3: Cross multiply
    138,698.24x = 208,047.35 × 88,801.83
  4. Step 4: Simplify right side
    138,698.24x = 18,474,985,628.66
  5. Step 5: Solve for x
    x = 18,474,985,628.66/138,698.24
  6. Step 6: Final answer
    x = 133,202.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.