Home / 162,343.62-224,025.89-90,709.65

Finding the Fourth Proportional to 162,343.62, 224,025.89 and 90,709.65

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Solution

The fourth proportional to 162,343.62, 224,025.89 and 90,709.65 is: 125,174.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,343.62 : 224,025.89 = 90,709.65 : x
  2. Step 2: Convert to fraction form
    162,343.62/224,025.89 = 90,709.65/x
  3. Step 3: Cross multiply
    162,343.62x = 224,025.89 × 90,709.65
  4. Step 4: Simplify right side
    162,343.62x = 20,321,309,619.29
  5. Step 5: Solve for x
    x = 20,321,309,619.29/162,343.62
  6. Step 6: Final answer
    x = 125,174.67

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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.