Home / 131,715.14-197,581.52-46,315.80

Finding the Fourth Proportional to 131,715.14, 197,581.52 and 46,315.80

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Solution

The fourth proportional to 131,715.14, 197,581.52 and 46,315.80 is: 69,476.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,715.14 : 197,581.52 = 46,315.80 : x
  2. Step 2: Convert to fraction form
    131,715.14/197,581.52 = 46,315.80/x
  3. Step 3: Cross multiply
    131,715.14x = 197,581.52 × 46,315.80
  4. Step 4: Simplify right side
    131,715.14x = 9,151,145,176.11
  5. Step 5: Solve for x
    x = 9,151,145,176.11/131,715.14
  6. Step 6: Final answer
    x = 69,476.79

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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.