Home / 166,271.40-229,451.94-90,818.28

Finding the Fourth Proportional to 166,271.40, 229,451.94 and 90,818.28

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Solution

The fourth proportional to 166,271.40, 229,451.94 and 90,818.28 is: 125,327.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,271.40 : 229,451.94 = 90,818.28 : x
  2. Step 2: Convert to fraction form
    166,271.40/229,451.94 = 90,818.28/x
  3. Step 3: Cross multiply
    166,271.40x = 229,451.94 × 90,818.28
  4. Step 4: Simplify right side
    166,271.40x = 20,838,430,533.46
  5. Step 5: Solve for x
    x = 20,838,430,533.46/166,271.40
  6. Step 6: Final answer
    x = 125,327.81

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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.