Home / 220,441.27-304,237.10-129,805.67

Finding the Fourth Proportional to 220,441.27, 304,237.10 and 129,805.67

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Solution

The fourth proportional to 220,441.27, 304,237.10 and 129,805.67 is: 179,148.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,441.27 : 304,237.10 = 129,805.67 : x
  2. Step 2: Convert to fraction form
    220,441.27/304,237.10 = 129,805.67/x
  3. Step 3: Cross multiply
    220,441.27x = 304,237.10 × 129,805.67
  4. Step 4: Simplify right side
    220,441.27x = 39,491,699,955.33
  5. Step 5: Solve for x
    x = 39,491,699,955.33/220,441.27
  6. Step 6: Final answer
    x = 179,148.40

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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.