Home / 131,807.42-197,716.60-38,313.17

Finding the Fourth Proportional to 131,807.42, 197,716.60 and 38,313.17

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Solution

The fourth proportional to 131,807.42, 197,716.60 and 38,313.17 is: 57,471.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,807.42 : 197,716.60 = 38,313.17 : x
  2. Step 2: Convert to fraction form
    131,807.42/197,716.60 = 38,313.17/x
  3. Step 3: Cross multiply
    131,807.42x = 197,716.60 × 38,313.17
  4. Step 4: Simplify right side
    131,807.42x = 7,575,149,021.76
  5. Step 5: Solve for x
    x = 7,575,149,021.76/131,807.42
  6. Step 6: Final answer
    x = 57,471.34

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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.