Home / 266,641.16-367,964.79-145,782.45

Finding the Fourth Proportional to 266,641.16, 367,964.79 and 145,782.45

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Solution

The fourth proportional to 266,641.16, 367,964.79 and 145,782.45 is: 201,179.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,641.16 : 367,964.79 = 145,782.45 : x
  2. Step 2: Convert to fraction form
    266,641.16/367,964.79 = 145,782.45/x
  3. Step 3: Cross multiply
    266,641.16x = 367,964.79 × 145,782.45
  4. Step 4: Simplify right side
    266,641.16x = 53,642,808,599.94
  5. Step 5: Solve for x
    x = 53,642,808,599.94/266,641.16
  6. Step 6: Final answer
    x = 201,179.78

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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.