Home / 208,903.24-288,090.66-161,080.84

Finding the Fourth Proportional to 208,903.24, 288,090.66 and 161,080.84

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Solution

The fourth proportional to 208,903.24, 288,090.66 and 161,080.84 is: 222,140.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,903.24 : 288,090.66 = 161,080.84 : x
  2. Step 2: Convert to fraction form
    208,903.24/288,090.66 = 161,080.84/x
  3. Step 3: Cross multiply
    208,903.24x = 288,090.66 × 161,080.84
  4. Step 4: Simplify right side
    208,903.24x = 46,405,885,508.95
  5. Step 5: Solve for x
    x = 46,405,885,508.95/208,903.24
  6. Step 6: Final answer
    x = 222,140.57

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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.