Home / 197,404.26-272,292.47-129,425.64

Finding the Fourth Proportional to 197,404.26, 272,292.47 and 129,425.64

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Solution

The fourth proportional to 197,404.26, 272,292.47 and 129,425.64 is: 178,525.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,404.26 : 272,292.47 = 129,425.64 : x
  2. Step 2: Convert to fraction form
    197,404.26/272,292.47 = 129,425.64/x
  3. Step 3: Cross multiply
    197,404.26x = 272,292.47 × 129,425.64
  4. Step 4: Simplify right side
    197,404.26x = 35,241,626,549.80
  5. Step 5: Solve for x
    x = 35,241,626,549.80/197,404.26
  6. Step 6: Final answer
    x = 178,525.16

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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.