Home / 266,761.86-368,117.55-145,879.62

Finding the Fourth Proportional to 266,761.86, 368,117.55 and 145,879.62

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Solution

The fourth proportional to 266,761.86, 368,117.55 and 145,879.62 is: 201,306.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,761.86 : 368,117.55 = 145,879.62 : x
  2. Step 2: Convert to fraction form
    266,761.86/368,117.55 = 145,879.62/x
  3. Step 3: Cross multiply
    266,761.86x = 368,117.55 × 145,879.62
  4. Step 4: Simplify right side
    266,761.86x = 53,700,848,309.33
  5. Step 5: Solve for x
    x = 53,700,848,309.33/266,761.86
  6. Step 6: Final answer
    x = 201,306.32

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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.