Home / 188,122.98-259,535.80-107,507.25

Finding the Fourth Proportional to 188,122.98, 259,535.80 and 107,507.25

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Solution

The fourth proportional to 188,122.98, 259,535.80 and 107,507.25 is: 148,317.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,122.98 : 259,535.80 = 107,507.25 : x
  2. Step 2: Convert to fraction form
    188,122.98/259,535.80 = 107,507.25/x
  3. Step 3: Cross multiply
    188,122.98x = 259,535.80 × 107,507.25
  4. Step 4: Simplify right side
    188,122.98x = 27,901,980,134.55
  5. Step 5: Solve for x
    x = 27,901,980,134.55/188,122.98
  6. Step 6: Final answer
    x = 148,317.77

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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.