Home / 159,241.14-219,679.29-102,670.74

Finding the Fourth Proportional to 159,241.14, 219,679.29 and 102,670.74

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Solution

The fourth proportional to 159,241.14, 219,679.29 and 102,670.74 is: 141,638.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,241.14 : 219,679.29 = 102,670.74 : x
  2. Step 2: Convert to fraction form
    159,241.14/219,679.29 = 102,670.74/x
  3. Step 3: Cross multiply
    159,241.14x = 219,679.29 × 102,670.74
  4. Step 4: Simplify right side
    159,241.14x = 22,554,635,266.97
  5. Step 5: Solve for x
    x = 22,554,635,266.97/159,241.14
  6. Step 6: Final answer
    x = 141,638.24

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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.