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Finding the Fourth Proportional to 172,275.71, 237,753.75 and 103,367.74

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Solution

The fourth proportional to 172,275.71, 237,753.75 and 103,367.74 is: 142,655.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,275.71 : 237,753.75 = 103,367.74 : x
  2. Step 2: Convert to fraction form
    172,275.71/237,753.75 = 103,367.74/x
  3. Step 3: Cross multiply
    172,275.71x = 237,753.75 × 103,367.74
  4. Step 4: Simplify right side
    172,275.71x = 24,576,067,219.64
  5. Step 5: Solve for x
    x = 24,576,067,219.64/172,275.71
  6. Step 6: Final answer
    x = 142,655.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.