Home / 197,763.61-272,913.84-107,119.30

Finding the Fourth Proportional to 197,763.61, 272,913.84 and 107,119.30

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Solution

The fourth proportional to 197,763.61, 272,913.84 and 107,119.30 is: 147,824.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,763.61 : 272,913.84 = 107,119.30 : x
  2. Step 2: Convert to fraction form
    197,763.61/272,913.84 = 107,119.30/x
  3. Step 3: Cross multiply
    197,763.61x = 272,913.84 × 107,119.30
  4. Step 4: Simplify right side
    197,763.61x = 29,234,338,106.27
  5. Step 5: Solve for x
    x = 29,234,338,106.27/197,763.61
  6. Step 6: Final answer
    x = 147,824.66

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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.