Home / 175,708.81-263,668.16-161,415.86

Finding the Fourth Proportional to 175,708.81, 263,668.16 and 161,415.86

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Solution

The fourth proportional to 175,708.81, 263,668.16 and 161,415.86 is: 242,220.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,708.81 : 263,668.16 = 161,415.86 : x
  2. Step 2: Convert to fraction form
    175,708.81/263,668.16 = 161,415.86/x
  3. Step 3: Cross multiply
    175,708.81x = 263,668.16 × 161,415.86
  4. Step 4: Simplify right side
    175,708.81x = 42,560,221,886.22
  5. Step 5: Solve for x
    x = 42,560,221,886.22/175,708.81
  6. Step 6: Final answer
    x = 242,220.19

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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.