Home / 208,687.10-312,613.29-96,213.33

Finding the Fourth Proportional to 208,687.10, 312,613.29 and 96,213.33

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Solution

The fourth proportional to 208,687.10, 312,613.29 and 96,213.33 is: 144,127.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,687.10 : 312,613.29 = 96,213.33 : x
  2. Step 2: Convert to fraction form
    208,687.10/312,613.29 = 96,213.33/x
  3. Step 3: Cross multiply
    208,687.10x = 312,613.29 × 96,213.33
  4. Step 4: Simplify right side
    208,687.10x = 30,077,565,633.16
  5. Step 5: Solve for x
    x = 30,077,565,633.16/208,687.10
  6. Step 6: Final answer
    x = 144,127.58

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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.