Home / 215,111.06-296,853.52-119,615.70

Finding the Fourth Proportional to 215,111.06, 296,853.52 and 119,615.70

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Solution

The fourth proportional to 215,111.06, 296,853.52 and 119,615.70 is: 165,069.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,111.06 : 296,853.52 = 119,615.70 : x
  2. Step 2: Convert to fraction form
    215,111.06/296,853.52 = 119,615.70/x
  3. Step 3: Cross multiply
    215,111.06x = 296,853.52 × 119,615.70
  4. Step 4: Simplify right side
    215,111.06x = 35,508,341,592.26
  5. Step 5: Solve for x
    x = 35,508,341,592.26/215,111.06
  6. Step 6: Final answer
    x = 165,069.81

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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.