Home / 266,830.13-368,228.48-145,968.82

Finding the Fourth Proportional to 266,830.13, 368,228.48 and 145,968.82

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Solution

The fourth proportional to 266,830.13, 368,228.48 and 145,968.82 is: 201,438.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,830.13 : 368,228.48 = 145,968.82 : x
  2. Step 2: Convert to fraction form
    266,830.13/368,228.48 = 145,968.82/x
  3. Step 3: Cross multiply
    266,830.13x = 368,228.48 × 145,968.82
  4. Step 4: Simplify right side
    266,830.13x = 53,749,876,715.99
  5. Step 5: Solve for x
    x = 53,749,876,715.99/266,830.13
  6. Step 6: Final answer
    x = 201,438.56

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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.