Home / 213,663.35-320,530.67-95,330.25

Finding the Fourth Proportional to 213,663.35, 320,530.67 and 95,330.25

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Solution

The fourth proportional to 213,663.35, 320,530.67 and 95,330.25 is: 143,011.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,663.35 : 320,530.67 = 95,330.25 : x
  2. Step 2: Convert to fraction form
    213,663.35/320,530.67 = 95,330.25/x
  3. Step 3: Cross multiply
    213,663.35x = 320,530.67 × 95,330.25
  4. Step 4: Simplify right side
    213,663.35x = 30,556,268,427.12
  5. Step 5: Solve for x
    x = 30,556,268,427.12/213,663.35
  6. Step 6: Final answer
    x = 143,011.28

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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.