Home / 97,308.14-134,289.09-54,865.76

Finding the Fourth Proportional to 97,308.14, 134,289.09 and 54,865.76

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Solution

The fourth proportional to 97,308.14, 134,289.09 and 54,865.76 is: 75,716.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,308.14 : 134,289.09 = 54,865.76 : x
  2. Step 2: Convert to fraction form
    97,308.14/134,289.09 = 54,865.76/x
  3. Step 3: Cross multiply
    97,308.14x = 134,289.09 × 54,865.76
  4. Step 4: Simplify right side
    97,308.14x = 7,367,872,311.11
  5. Step 5: Solve for x
    x = 7,367,872,311.11/97,308.14
  6. Step 6: Final answer
    x = 75,716.92

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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.