Home / 90,785.13-136,177.71-24,225.51

Finding the Fourth Proportional to 90,785.13, 136,177.71 and 24,225.51

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Solution

The fourth proportional to 90,785.13, 136,177.71 and 24,225.51 is: 36,338.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,785.13 : 136,177.71 = 24,225.51 : x
  2. Step 2: Convert to fraction form
    90,785.13/136,177.71 = 24,225.51/x
  3. Step 3: Cross multiply
    90,785.13x = 136,177.71 × 24,225.51
  4. Step 4: Simplify right side
    90,785.13x = 3,298,974,475.38
  5. Step 5: Solve for x
    x = 3,298,974,475.38/90,785.13
  6. Step 6: Final answer
    x = 36,338.27

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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.