Home / 197,805.16-272,988.66-112,949.56

Finding the Fourth Proportional to 197,805.16, 272,988.66 and 112,949.56

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Solution

The fourth proportional to 197,805.16, 272,988.66 and 112,949.56 is: 155,880.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,805.16 : 272,988.66 = 112,949.56 : x
  2. Step 2: Convert to fraction form
    197,805.16/272,988.66 = 112,949.56/x
  3. Step 3: Cross multiply
    197,805.16x = 272,988.66 × 112,949.56
  4. Step 4: Simplify right side
    197,805.16x = 30,833,949,031.99
  5. Step 5: Solve for x
    x = 30,833,949,031.99/197,805.16
  6. Step 6: Final answer
    x = 155,880.41

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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.