Home / 213,861.32-320,646.17-108,477.08

Finding the Fourth Proportional to 213,861.32, 320,646.17 and 108,477.08

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Solution

The fourth proportional to 213,861.32, 320,646.17 and 108,477.08 is: 162,641.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,861.32 : 320,646.17 = 108,477.08 : x
  2. Step 2: Convert to fraction form
    213,861.32/320,646.17 = 108,477.08/x
  3. Step 3: Cross multiply
    213,861.32x = 320,646.17 × 108,477.08
  4. Step 4: Simplify right side
    213,861.32x = 34,782,758,631.55
  5. Step 5: Solve for x
    x = 34,782,758,631.55/213,861.32
  6. Step 6: Final answer
    x = 162,641.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.