Home / 266,102.80-367,208.38-145,243.11

Finding the Fourth Proportional to 266,102.80, 367,208.38 and 145,243.11

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Solution

The fourth proportional to 266,102.80, 367,208.38 and 145,243.11 is: 200,428.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,102.80 : 367,208.38 = 145,243.11 : x
  2. Step 2: Convert to fraction form
    266,102.80/367,208.38 = 145,243.11/x
  3. Step 3: Cross multiply
    266,102.80x = 367,208.38 × 145,243.11
  4. Step 4: Simplify right side
    266,102.80x = 53,334,484,930.11
  5. Step 5: Solve for x
    x = 53,334,484,930.11/266,102.80
  6. Step 6: Final answer
    x = 200,428.12

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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.