Home / 197,404.01-272,292.12-129,425.39

Finding the Fourth Proportional to 197,404.01, 272,292.12 and 129,425.39

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Solution

The fourth proportional to 197,404.01, 272,292.12 and 129,425.39 is: 178,524.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,404.01 : 272,292.12 = 129,425.39 : x
  2. Step 2: Convert to fraction form
    197,404.01/272,292.12 = 129,425.39/x
  3. Step 3: Cross multiply
    197,404.01x = 272,292.12 × 129,425.39
  4. Step 4: Simplify right side
    197,404.01x = 35,241,513,824.93
  5. Step 5: Solve for x
    x = 35,241,513,824.93/197,404.01
  6. Step 6: Final answer
    x = 178,524.81

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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.