Home / 203,270.21-304,953.76-70,151.62

Finding the Fourth Proportional to 203,270.21, 304,953.76 and 70,151.62

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Solution

The fourth proportional to 203,270.21, 304,953.76 and 70,151.62 is: 105,244.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,270.21 : 304,953.76 = 70,151.62 : x
  2. Step 2: Convert to fraction form
    203,270.21/304,953.76 = 70,151.62/x
  3. Step 3: Cross multiply
    203,270.21x = 304,953.76 × 70,151.62
  4. Step 4: Simplify right side
    203,270.21x = 21,393,000,186.18
  5. Step 5: Solve for x
    x = 21,393,000,186.18/203,270.21
  6. Step 6: Final answer
    x = 105,244.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.