Home / 166,243.28-229,432.24-99,175.28

Finding the Fourth Proportional to 166,243.28, 229,432.24 and 99,175.28

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Solution

The fourth proportional to 166,243.28, 229,432.24 and 99,175.28 is: 136,871.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,243.28 : 229,432.24 = 99,175.28 : x
  2. Step 2: Convert to fraction form
    166,243.28/229,432.24 = 99,175.28/x
  3. Step 3: Cross multiply
    166,243.28x = 229,432.24 × 99,175.28
  4. Step 4: Simplify right side
    166,243.28x = 22,754,006,643.03
  5. Step 5: Solve for x
    x = 22,754,006,643.03/166,243.28
  6. Step 6: Final answer
    x = 136,871.74

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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.