Home / 97,289.20-145,916.52-27,151.12

Finding the Fourth Proportional to 97,289.20, 145,916.52 and 27,151.12

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Solution

The fourth proportional to 97,289.20, 145,916.52 and 27,151.12 is: 40,721.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,289.20 : 145,916.52 = 27,151.12 : x
  2. Step 2: Convert to fraction form
    97,289.20/145,916.52 = 27,151.12/x
  3. Step 3: Cross multiply
    97,289.20x = 145,916.52 × 27,151.12
  4. Step 4: Simplify right side
    97,289.20x = 3,961,796,944.50
  5. Step 5: Solve for x
    x = 3,961,796,944.50/97,289.20
  6. Step 6: Final answer
    x = 40,721.86

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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.