Home / 197,698.15-272,824.75-107,054.12

Finding the Fourth Proportional to 197,698.15, 272,824.75 and 107,054.12

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Solution

The fourth proportional to 197,698.15, 272,824.75 and 107,054.12 is: 147,735.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,698.15 : 272,824.75 = 107,054.12 : x
  2. Step 2: Convert to fraction form
    197,698.15/272,824.75 = 107,054.12/x
  3. Step 3: Cross multiply
    197,698.15x = 272,824.75 × 107,054.12
  4. Step 4: Simplify right side
    197,698.15x = 29,207,013,525.47
  5. Step 5: Solve for x
    x = 29,207,013,525.47/197,698.15
  6. Step 6: Final answer
    x = 147,735.39

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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.