Home / 214,780.35-296,400.55-117,988.29

Finding the Fourth Proportional to 214,780.35, 296,400.55 and 117,988.29

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Solution

The fourth proportional to 214,780.35, 296,400.55 and 117,988.29 is: 162,825.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,780.35 : 296,400.55 = 117,988.29 : x
  2. Step 2: Convert to fraction form
    214,780.35/296,400.55 = 117,988.29/x
  3. Step 3: Cross multiply
    214,780.35x = 296,400.55 × 117,988.29
  4. Step 4: Simplify right side
    214,780.35x = 34,971,793,459.62
  5. Step 5: Solve for x
    x = 34,971,793,459.62/214,780.35
  6. Step 6: Final answer
    x = 162,825.85

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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.