Home / 197,814.12-272,983.55-107,170.71

Finding the Fourth Proportional to 197,814.12, 272,983.55 and 107,170.71

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Solution

The fourth proportional to 197,814.12, 272,983.55 and 107,170.71 is: 147,895.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,814.12 : 272,983.55 = 107,170.71 : x
  2. Step 2: Convert to fraction form
    197,814.12/272,983.55 = 107,170.71/x
  3. Step 3: Cross multiply
    197,814.12x = 272,983.55 × 107,170.71
  4. Step 4: Simplify right side
    197,814.12x = 29,255,840,871.82
  5. Step 5: Solve for x
    x = 29,255,840,871.82/197,814.12
  6. Step 6: Final answer
    x = 147,895.61

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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.