Home / 131,524.38-181,460.81-80,483.85

Finding the Fourth Proportional to 131,524.38, 181,460.81 and 80,483.85

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Solution

The fourth proportional to 131,524.38, 181,460.81 and 80,483.85 is: 111,041.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,524.38 : 181,460.81 = 80,483.85 : x
  2. Step 2: Convert to fraction form
    131,524.38/181,460.81 = 80,483.85/x
  3. Step 3: Cross multiply
    131,524.38x = 181,460.81 × 80,483.85
  4. Step 4: Simplify right side
    131,524.38x = 14,604,664,814.13
  5. Step 5: Solve for x
    x = 14,604,664,814.13/131,524.38
  6. Step 6: Final answer
    x = 111,041.50

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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.