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Finding the Fourth Proportional to 181,497.72, 272,246.58 and 74,880.12

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Solution

The fourth proportional to 181,497.72, 272,246.58 and 74,880.12 is: 112,320.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,497.72 : 272,246.58 = 74,880.12 : x
  2. Step 2: Convert to fraction form
    181,497.72/272,246.58 = 74,880.12/x
  3. Step 3: Cross multiply
    181,497.72x = 272,246.58 × 74,880.12
  4. Step 4: Simplify right side
    181,497.72x = 20,385,856,579.99
  5. Step 5: Solve for x
    x = 20,385,856,579.99/181,497.72
  6. Step 6: Final answer
    x = 112,320.18

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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.