Home / 131,305.06-197,007.22-51,400.13

Finding the Fourth Proportional to 131,305.06, 197,007.22 and 51,400.13

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Solution

The fourth proportional to 131,305.06, 197,007.22 and 51,400.13 is: 77,119.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,305.06 : 197,007.22 = 51,400.13 : x
  2. Step 2: Convert to fraction form
    131,305.06/197,007.22 = 51,400.13/x
  3. Step 3: Cross multiply
    131,305.06x = 197,007.22 × 51,400.13
  4. Step 4: Simplify right side
    131,305.06x = 10,126,196,718.94
  5. Step 5: Solve for x
    x = 10,126,196,718.94/131,305.06
  6. Step 6: Final answer
    x = 77,119.62

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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.