Home / 74,197.28-102,397.28-41,920.72

Finding the Fourth Proportional to 74,197.28, 102,397.28 and 41,920.72

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Solution

The fourth proportional to 74,197.28, 102,397.28 and 41,920.72 is: 57,853.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,197.28 : 102,397.28 = 41,920.72 : x
  2. Step 2: Convert to fraction form
    74,197.28/102,397.28 = 41,920.72/x
  3. Step 3: Cross multiply
    74,197.28x = 102,397.28 × 41,920.72
  4. Step 4: Simplify right side
    74,197.28x = 4,292,567,238.04
  5. Step 5: Solve for x
    x = 4,292,567,238.04/74,197.28
  6. Step 6: Final answer
    x = 57,853.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.