Home / 166,288.65-229,478.27-89,807.76

Finding the Fourth Proportional to 166,288.65, 229,478.27 and 89,807.76

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Solution

The fourth proportional to 166,288.65, 229,478.27 and 89,807.76 is: 123,934.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,288.65 : 229,478.27 = 89,807.76 : x
  2. Step 2: Convert to fraction form
    166,288.65/229,478.27 = 89,807.76/x
  3. Step 3: Cross multiply
    166,288.65x = 229,478.27 × 89,807.76
  4. Step 4: Simplify right side
    166,288.65x = 20,608,929,397.38
  5. Step 5: Solve for x
    x = 20,608,929,397.38/166,288.65
  6. Step 6: Final answer
    x = 123,934.67

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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.