Home / 166,390.04-229,617.72-90,938.52

Finding the Fourth Proportional to 166,390.04, 229,617.72 and 90,938.52

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Solution

The fourth proportional to 166,390.04, 229,617.72 and 90,938.52 is: 125,494.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,390.04 : 229,617.72 = 90,938.52 : x
  2. Step 2: Convert to fraction form
    166,390.04/229,617.72 = 90,938.52/x
  3. Step 3: Cross multiply
    166,390.04x = 229,617.72 × 90,938.52
  4. Step 4: Simplify right side
    166,390.04x = 20,881,095,622.57
  5. Step 5: Solve for x
    x = 20,881,095,622.57/166,390.04
  6. Step 6: Final answer
    x = 125,494.87

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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.