Home / 131,566.14-181,558.87-80,570.77

Finding the Fourth Proportional to 131,566.14, 181,558.87 and 80,570.77

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Solution

The fourth proportional to 131,566.14, 181,558.87 and 80,570.77 is: 111,186.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,566.14 : 181,558.87 = 80,570.77 : x
  2. Step 2: Convert to fraction form
    131,566.14/181,558.87 = 80,570.77/x
  3. Step 3: Cross multiply
    131,566.14x = 181,558.87 × 80,570.77
  4. Step 4: Simplify right side
    131,566.14x = 14,628,337,300.91
  5. Step 5: Solve for x
    x = 14,628,337,300.91/131,566.14
  6. Step 6: Final answer
    x = 111,186.19

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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.