Home / 99,277.20-148,901.40-29,149.20

Finding the Fourth Proportional to 99,277.20, 148,901.40 and 29,149.20

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Solution

The fourth proportional to 99,277.20, 148,901.40 and 29,149.20 is: 43,719.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,277.20 : 148,901.40 = 29,149.20 : x
  2. Step 2: Convert to fraction form
    99,277.20/148,901.40 = 29,149.20/x
  3. Step 3: Cross multiply
    99,277.20x = 148,901.40 × 29,149.20
  4. Step 4: Simplify right side
    99,277.20x = 4,340,356,688.88
  5. Step 5: Solve for x
    x = 4,340,356,688.88/99,277.20
  6. Step 6: Final answer
    x = 43,719.57

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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.