Home / 166,263.84-229,450.32-90,812.88

Finding the Fourth Proportional to 166,263.84, 229,450.32 and 90,812.88

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Solution

The fourth proportional to 166,263.84, 229,450.32 and 90,812.88 is: 125,325.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,263.84 : 229,450.32 = 90,812.88 : x
  2. Step 2: Convert to fraction form
    166,263.84/229,450.32 = 90,812.88/x
  3. Step 3: Cross multiply
    166,263.84x = 229,450.32 × 90,812.88
  4. Step 4: Simplify right side
    166,263.84x = 20,837,044,376.12
  5. Step 5: Solve for x
    x = 20,837,044,376.12/166,263.84
  6. Step 6: Final answer
    x = 125,325.17

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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.