Home / 131,807.36-197,716.50-38,313.11

Finding the Fourth Proportional to 131,807.36, 197,716.50 and 38,313.11

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Solution

The fourth proportional to 131,807.36, 197,716.50 and 38,313.11 is: 57,471.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,807.36 : 197,716.50 = 38,313.11 : x
  2. Step 2: Convert to fraction form
    131,807.36/197,716.50 = 38,313.11/x
  3. Step 3: Cross multiply
    131,807.36x = 197,716.50 × 38,313.11
  4. Step 4: Simplify right side
    131,807.36x = 7,575,133,024.73
  5. Step 5: Solve for x
    x = 7,575,133,024.73/131,807.36
  6. Step 6: Final answer
    x = 57,471.25

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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.