Home / 160,186.96-240,379.26-81,357.76

Finding the Fourth Proportional to 160,186.96, 240,379.26 and 81,357.76

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Solution

The fourth proportional to 160,186.96, 240,379.26 and 81,357.76 is: 122,086.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,186.96 : 240,379.26 = 81,357.76 : x
  2. Step 2: Convert to fraction form
    160,186.96/240,379.26 = 81,357.76/x
  3. Step 3: Cross multiply
    160,186.96x = 240,379.26 × 81,357.76
  4. Step 4: Simplify right side
    160,186.96x = 19,556,718,144.06
  5. Step 5: Solve for x
    x = 19,556,718,144.06/160,186.96
  6. Step 6: Final answer
    x = 122,086.83

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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.