Home / 151,266.14-208,811.82-107,686.79

Finding the Fourth Proportional to 151,266.14, 208,811.82 and 107,686.79

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Solution

The fourth proportional to 151,266.14, 208,811.82 and 107,686.79 is: 148,653.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,266.14 : 208,811.82 = 107,686.79 : x
  2. Step 2: Convert to fraction form
    151,266.14/208,811.82 = 107,686.79/x
  3. Step 3: Cross multiply
    151,266.14x = 208,811.82 × 107,686.79
  4. Step 4: Simplify right side
    151,266.14x = 22,486,274,609.86
  5. Step 5: Solve for x
    x = 22,486,274,609.86/151,266.14
  6. Step 6: Final answer
    x = 148,653.72

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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.