Home / 131,765.80-197,667.87-42,997.45

Finding the Fourth Proportional to 131,765.80, 197,667.87 and 42,997.45

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Solution

The fourth proportional to 131,765.80, 197,667.87 and 42,997.45 is: 64,502.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,765.80 : 197,667.87 = 42,997.45 : x
  2. Step 2: Convert to fraction form
    131,765.80/197,667.87 = 42,997.45/x
  3. Step 3: Cross multiply
    131,765.80x = 197,667.87 × 42,997.45
  4. Step 4: Simplify right side
    131,765.80x = 8,499,214,356.93
  5. Step 5: Solve for x
    x = 8,499,214,356.93/131,765.80
  6. Step 6: Final answer
    x = 64,502.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.