Home / 213,382.08-320,063.04-53,459.52

Finding the Fourth Proportional to 213,382.08, 320,063.04 and 53,459.52

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Solution

The fourth proportional to 213,382.08, 320,063.04 and 53,459.52 is: 80,186.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,382.08 : 320,063.04 = 53,459.52 : x
  2. Step 2: Convert to fraction form
    213,382.08/320,063.04 = 53,459.52/x
  3. Step 3: Cross multiply
    213,382.08x = 320,063.04 × 53,459.52
  4. Step 4: Simplify right side
    213,382.08x = 17,110,416,488.14
  5. Step 5: Solve for x
    x = 17,110,416,488.14/213,382.08
  6. Step 6: Final answer
    x = 80,186.75

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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.