Home / 131,248.94-181,137.14-80,295.60

Finding the Fourth Proportional to 131,248.94, 181,137.14 and 80,295.60

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Solution

The fourth proportional to 131,248.94, 181,137.14 and 80,295.60 is: 110,816.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,248.94 : 181,137.14 = 80,295.60 : x
  2. Step 2: Convert to fraction form
    131,248.94/181,137.14 = 80,295.60/x
  3. Step 3: Cross multiply
    131,248.94x = 181,137.14 × 80,295.60
  4. Step 4: Simplify right side
    131,248.94x = 14,544,514,937.11
  5. Step 5: Solve for x
    x = 14,544,514,937.11/131,248.94
  6. Step 6: Final answer
    x = 110,816.25

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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.