Home / 159,053.72-219,494.60-91,071.74

Finding the Fourth Proportional to 159,053.72, 219,494.60 and 91,071.74

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Solution

The fourth proportional to 159,053.72, 219,494.60 and 91,071.74 is: 125,679.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,053.72 : 219,494.60 = 91,071.74 : x
  2. Step 2: Convert to fraction form
    159,053.72/219,494.60 = 91,071.74/x
  3. Step 3: Cross multiply
    159,053.72x = 219,494.60 × 91,071.74
  4. Step 4: Simplify right side
    159,053.72x = 19,989,753,589.77
  5. Step 5: Solve for x
    x = 19,989,753,589.77/159,053.72
  6. Step 6: Final answer
    x = 125,679.26

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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.