Home / 166,401.84-229,633.56-90,950.28

Finding the Fourth Proportional to 166,401.84, 229,633.56 and 90,950.28

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Solution

The fourth proportional to 166,401.84, 229,633.56 and 90,950.28 is: 125,510.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,401.84 : 229,633.56 = 90,950.28 : x
  2. Step 2: Convert to fraction form
    166,401.84/229,633.56 = 90,950.28/x
  3. Step 3: Cross multiply
    166,401.84x = 229,633.56 × 90,950.28
  4. Step 4: Simplify right side
    166,401.84x = 20,885,236,579.40
  5. Step 5: Solve for x
    x = 20,885,236,579.40/166,401.84
  6. Step 6: Final answer
    x = 125,510.85

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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.