Home / 215,042.67-296,742.08-119,543.55

Finding the Fourth Proportional to 215,042.67, 296,742.08 and 119,543.55

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Solution

The fourth proportional to 215,042.67, 296,742.08 and 119,543.55 is: 164,960.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,042.67 : 296,742.08 = 119,543.55 : x
  2. Step 2: Convert to fraction form
    215,042.67/296,742.08 = 119,543.55/x
  3. Step 3: Cross multiply
    215,042.67x = 296,742.08 × 119,543.55
  4. Step 4: Simplify right side
    215,042.67x = 35,473,601,079.87
  5. Step 5: Solve for x
    x = 35,473,601,079.87/215,042.67
  6. Step 6: Final answer
    x = 164,960.75

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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.