Home / 169,715.48-234,014.12-108,379.04

Finding the Fourth Proportional to 169,715.48, 234,014.12 and 108,379.04

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Solution

The fourth proportional to 169,715.48, 234,014.12 and 108,379.04 is: 149,439.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,715.48 : 234,014.12 = 108,379.04 : x
  2. Step 2: Convert to fraction form
    169,715.48/234,014.12 = 108,379.04/x
  3. Step 3: Cross multiply
    169,715.48x = 234,014.12 × 108,379.04
  4. Step 4: Simplify right side
    169,715.48x = 25,362,225,672.04
  5. Step 5: Solve for x
    x = 25,362,225,672.04/169,715.48
  6. Step 6: Final answer
    x = 149,439.67

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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.