Home / 97,155.29-134,072.28-54,134.61

Finding the Fourth Proportional to 97,155.29, 134,072.28 and 54,134.61

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Solution

The fourth proportional to 97,155.29, 134,072.28 and 54,134.61 is: 74,704.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,155.29 : 134,072.28 = 54,134.61 : x
  2. Step 2: Convert to fraction form
    97,155.29/134,072.28 = 54,134.61/x
  3. Step 3: Cross multiply
    97,155.29x = 134,072.28 × 54,134.61
  4. Step 4: Simplify right side
    97,155.29x = 7,257,950,589.61
  5. Step 5: Solve for x
    x = 7,257,950,589.61/97,155.29
  6. Step 6: Final answer
    x = 74,704.64

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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.