Home / 90,773.29-136,174.56-38,197.81

Finding the Fourth Proportional to 90,773.29, 136,174.56 and 38,197.81

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Solution

The fourth proportional to 90,773.29, 136,174.56 and 38,197.81 is: 57,302.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,773.29 : 136,174.56 = 38,197.81 : x
  2. Step 2: Convert to fraction form
    90,773.29/136,174.56 = 38,197.81/x
  3. Step 3: Cross multiply
    90,773.29x = 136,174.56 × 38,197.81
  4. Step 4: Simplify right side
    90,773.29x = 5,201,569,969.71
  5. Step 5: Solve for x
    x = 5,201,569,969.71/90,773.29
  6. Step 6: Final answer
    x = 57,302.87

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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.