Home / 131,844.68-181,945.58-71,415.17

Finding the Fourth Proportional to 131,844.68, 181,945.58 and 71,415.17

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Solution

The fourth proportional to 131,844.68, 181,945.58 and 71,415.17 is: 98,552.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,844.68 : 181,945.58 = 71,415.17 : x
  2. Step 2: Convert to fraction form
    131,844.68/181,945.58 = 71,415.17/x
  3. Step 3: Cross multiply
    131,844.68x = 181,945.58 × 71,415.17
  4. Step 4: Simplify right side
    131,844.68x = 12,993,673,941.94
  5. Step 5: Solve for x
    x = 12,993,673,941.94/131,844.68
  6. Step 6: Final answer
    x = 98,552.89

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1.5x scale

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.