Home / 215,010.68-296,720.42-118,218.57

Finding the Fourth Proportional to 215,010.68, 296,720.42 and 118,218.57

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Solution

The fourth proportional to 215,010.68, 296,720.42 and 118,218.57 is: 163,144.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,010.68 : 296,720.42 = 118,218.57 : x
  2. Step 2: Convert to fraction form
    215,010.68/296,720.42 = 118,218.57/x
  3. Step 3: Cross multiply
    215,010.68x = 296,720.42 × 118,218.57
  4. Step 4: Simplify right side
    215,010.68x = 35,077,863,151.11
  5. Step 5: Solve for x
    x = 35,077,863,151.11/215,010.68
  6. Step 6: Final answer
    x = 163,144.75

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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.