Home / 113,293.86-169,682.28-54,171.35

Finding the Fourth Proportional to 113,293.86, 169,682.28 and 54,171.35

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Solution

The fourth proportional to 113,293.86, 169,682.28 and 54,171.35 is: 81,133.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,293.86 : 169,682.28 = 54,171.35 : x
  2. Step 2: Convert to fraction form
    113,293.86/169,682.28 = 54,171.35/x
  3. Step 3: Cross multiply
    113,293.86x = 169,682.28 × 54,171.35
  4. Step 4: Simplify right side
    113,293.86x = 9,191,917,330.27
  5. Step 5: Solve for x
    x = 9,191,917,330.27/113,293.86
  6. Step 6: Final answer
    x = 81,133.41

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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.