Home / 197,730.82-272,873.59-121,292.10

Finding the Fourth Proportional to 197,730.82, 272,873.59 and 121,292.10

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Solution

The fourth proportional to 197,730.82, 272,873.59 and 121,292.10 is: 167,386.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,730.82 : 272,873.59 = 121,292.10 : x
  2. Step 2: Convert to fraction form
    197,730.82/272,873.59 = 121,292.10/x
  3. Step 3: Cross multiply
    197,730.82x = 272,873.59 × 121,292.10
  4. Step 4: Simplify right side
    197,730.82x = 33,097,409,893.98
  5. Step 5: Solve for x
    x = 33,097,409,893.98/197,730.82
  6. Step 6: Final answer
    x = 167,386.20

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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.