Home / 266,620.40-367,937.45-145,761.69

Finding the Fourth Proportional to 266,620.40, 367,937.45 and 145,761.69

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Solution

The fourth proportional to 266,620.40, 367,937.45 and 145,761.69 is: 201,151.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,620.40 : 367,937.45 = 145,761.69 : x
  2. Step 2: Convert to fraction form
    266,620.40/367,937.45 = 145,761.69/x
  3. Step 3: Cross multiply
    266,620.40x = 367,937.45 × 145,761.69
  4. Step 4: Simplify right side
    266,620.40x = 53,631,186,543.76
  5. Step 5: Solve for x
    x = 53,631,186,543.76/266,620.40
  6. Step 6: Final answer
    x = 201,151.85

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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.