Home / 166,178.81-229,325.58-90,727.31

Finding the Fourth Proportional to 166,178.81, 229,325.58 and 90,727.31

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Solution

The fourth proportional to 166,178.81, 229,325.58 and 90,727.31 is: 125,203.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,178.81 : 229,325.58 = 90,727.31 : x
  2. Step 2: Convert to fraction form
    166,178.81/229,325.58 = 90,727.31/x
  3. Step 3: Cross multiply
    166,178.81x = 229,325.58 × 90,727.31
  4. Step 4: Simplify right side
    166,178.81x = 20,806,092,987.59
  5. Step 5: Solve for x
    x = 20,806,092,987.59/166,178.81
  6. Step 6: Final answer
    x = 125,203.04

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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.