Home / 113,076.17-169,633.81-38,196.86

Finding the Fourth Proportional to 113,076.17, 169,633.81 and 38,196.86

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Solution

The fourth proportional to 113,076.17, 169,633.81 and 38,196.86 is: 57,301.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,076.17 : 169,633.81 = 38,196.86 : x
  2. Step 2: Convert to fraction form
    113,076.17/169,633.81 = 38,196.86/x
  3. Step 3: Cross multiply
    113,076.17x = 169,633.81 × 38,196.86
  4. Step 4: Simplify right side
    113,076.17x = 6,479,478,700.85
  5. Step 5: Solve for x
    x = 6,479,478,700.85/113,076.17
  6. Step 6: Final answer
    x = 57,301.89

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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.