Home / 113,267.86-169,901.03-38,440.68

Finding the Fourth Proportional to 113,267.86, 169,901.03 and 38,440.68

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Solution

The fourth proportional to 113,267.86, 169,901.03 and 38,440.68 is: 57,660.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,267.86 : 169,901.03 = 38,440.68 : x
  2. Step 2: Convert to fraction form
    113,267.86/169,901.03 = 38,440.68/x
  3. Step 3: Cross multiply
    113,267.86x = 169,901.03 × 38,440.68
  4. Step 4: Simplify right side
    113,267.86x = 6,531,110,933.70
  5. Step 5: Solve for x
    x = 6,531,110,933.70/113,267.86
  6. Step 6: Final answer
    x = 57,660.76

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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.