Home / 197,404.51-272,292.81-129,425.89

Finding the Fourth Proportional to 197,404.51, 272,292.81 and 129,425.89

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Solution

The fourth proportional to 197,404.51, 272,292.81 and 129,425.89 is: 178,525.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,404.51 : 272,292.81 = 129,425.89 : x
  2. Step 2: Convert to fraction form
    197,404.51/272,292.81 = 129,425.89/x
  3. Step 3: Cross multiply
    197,404.51x = 272,292.81 × 129,425.89
  4. Step 4: Simplify right side
    197,404.51x = 35,241,739,274.85
  5. Step 5: Solve for x
    x = 35,241,739,274.85/197,404.51
  6. Step 6: Final answer
    x = 178,525.50

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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.