Home / 181,515.72-272,273.64-74,898.12

Finding the Fourth Proportional to 181,515.72, 272,273.64 and 74,898.12

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Solution

The fourth proportional to 181,515.72, 272,273.64 and 74,898.12 is: 112,347.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,515.72 : 272,273.64 = 74,898.12 : x
  2. Step 2: Convert to fraction form
    181,515.72/272,273.64 = 74,898.12/x
  3. Step 3: Cross multiply
    181,515.72x = 272,273.64 × 74,898.12
  4. Step 4: Simplify right side
    181,515.72x = 20,392,783,761.56
  5. Step 5: Solve for x
    x = 20,392,783,761.56/181,515.72
  6. Step 6: Final answer
    x = 112,347.20

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1.5x scale

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.