Home / 166,166.84-229,309.08-90,715.34

Finding the Fourth Proportional to 166,166.84, 229,309.08 and 90,715.34

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Solution

The fourth proportional to 166,166.84, 229,309.08 and 90,715.34 is: 125,186.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,166.84 : 229,309.08 = 90,715.34 : x
  2. Step 2: Convert to fraction form
    166,166.84/229,309.08 = 90,715.34/x
  3. Step 3: Cross multiply
    166,166.84x = 229,309.08 × 90,715.34
  4. Step 4: Simplify right side
    166,166.84x = 20,801,851,390.38
  5. Step 5: Solve for x
    x = 20,801,851,390.38/166,166.84
  6. Step 6: Final answer
    x = 125,186.54

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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.