Home / 166,624.81-229,941.28-90,143.67

Finding the Fourth Proportional to 166,624.81, 229,941.28 and 90,143.67

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Solution

The fourth proportional to 166,624.81, 229,941.28 and 90,143.67 is: 124,397.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,624.81 : 229,941.28 = 90,143.67 : x
  2. Step 2: Convert to fraction form
    166,624.81/229,941.28 = 90,143.67/x
  3. Step 3: Cross multiply
    166,624.81x = 229,941.28 × 90,143.67
  4. Step 4: Simplify right side
    166,624.81x = 20,727,750,863.70
  5. Step 5: Solve for x
    x = 20,727,750,863.70/166,624.81
  6. Step 6: Final answer
    x = 124,397.75

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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.