Home / 131,792.24-181,873.64-71,363

Finding the Fourth Proportional to 131,792.24, 181,873.64 and 71,363

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Solution

The fourth proportional to 131,792.24, 181,873.64 and 71,363 is: 98,481.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,792.24 : 181,873.64 = 71,363 : x
  2. Step 2: Convert to fraction form
    131,792.24/181,873.64 = 71,363/x
  3. Step 3: Cross multiply
    131,792.24x = 181,873.64 × 71,363
  4. Step 4: Simplify right side
    131,792.24x = 12,979,048,571.32
  5. Step 5: Solve for x
    x = 12,979,048,571.32/131,792.24
  6. Step 6: Final answer
    x = 98,481.13

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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.