Home / 276,747.24-415,156.86-99,273.72

Finding the Fourth Proportional to 276,747.24, 415,156.86 and 99,273.72

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Solution

The fourth proportional to 276,747.24, 415,156.86 and 99,273.72 is: 148,923.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,747.24 : 415,156.86 = 99,273.72 : x
  2. Step 2: Convert to fraction form
    276,747.24/415,156.86 = 99,273.72/x
  3. Step 3: Cross multiply
    276,747.24x = 415,156.86 × 99,273.72
  4. Step 4: Simplify right side
    276,747.24x = 41,214,165,875.72
  5. Step 5: Solve for x
    x = 41,214,165,875.72/276,747.24
  6. Step 6: Final answer
    x = 148,923.49

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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.