Home / 131,706.45-181,755.37-71,277.08

Finding the Fourth Proportional to 131,706.45, 181,755.37 and 71,277.08

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Solution

The fourth proportional to 131,706.45, 181,755.37 and 71,277.08 is: 98,362.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,706.45 : 181,755.37 = 71,277.08 : x
  2. Step 2: Convert to fraction form
    131,706.45/181,755.37 = 71,277.08/x
  3. Step 3: Cross multiply
    131,706.45x = 181,755.37 × 71,277.08
  4. Step 4: Simplify right side
    131,706.45x = 12,954,992,047.92
  5. Step 5: Solve for x
    x = 12,954,992,047.92/131,706.45
  6. Step 6: Final answer
    x = 98,362.62

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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.