Home / 215,130.88-296,845.76-119,635.20

Finding the Fourth Proportional to 215,130.88, 296,845.76 and 119,635.20

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Solution

The fourth proportional to 215,130.88, 296,845.76 and 119,635.20 is: 165,077.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,130.88 : 296,845.76 = 119,635.20 : x
  2. Step 2: Convert to fraction form
    215,130.88/296,845.76 = 119,635.20/x
  3. Step 3: Cross multiply
    215,130.88x = 296,845.76 × 119,635.20
  4. Step 4: Simplify right side
    215,130.88x = 35,513,201,866.75
  5. Step 5: Solve for x
    x = 35,513,201,866.75/215,130.88
  6. Step 6: Final answer
    x = 165,077.19

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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.