Home / 97,178.33-134,104.28-54,156.90

Finding the Fourth Proportional to 97,178.33, 134,104.28 and 54,156.90

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Solution

The fourth proportional to 97,178.33, 134,104.28 and 54,156.90 is: 74,735.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,178.33 : 134,104.28 = 54,156.90 : x
  2. Step 2: Convert to fraction form
    97,178.33/134,104.28 = 54,156.90/x
  3. Step 3: Cross multiply
    97,178.33x = 134,104.28 × 54,156.90
  4. Step 4: Simplify right side
    97,178.33x = 7,262,672,313.64
  5. Step 5: Solve for x
    x = 7,262,672,313.64/97,178.33
  6. Step 6: Final answer
    x = 74,735.51

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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.