Home / 113,105.70-169,588.89-38,218.77

Finding the Fourth Proportional to 113,105.70, 169,588.89 and 38,218.77

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Solution

The fourth proportional to 113,105.70, 169,588.89 and 38,218.77 is: 57,304.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,105.70 : 169,588.89 = 38,218.77 : x
  2. Step 2: Convert to fraction form
    113,105.70/169,588.89 = 38,218.77/x
  3. Step 3: Cross multiply
    113,105.70x = 169,588.89 × 38,218.77
  4. Step 4: Simplify right side
    113,105.70x = 6,481,478,781.47
  5. Step 5: Solve for x
    x = 6,481,478,781.47/113,105.70
  6. Step 6: Final answer
    x = 57,304.62

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1.5x scale

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.