Home / 131,452.07-181,491.44-77,754.33

Finding the Fourth Proportional to 131,452.07, 181,491.44 and 77,754.33

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Solution

The fourth proportional to 131,452.07, 181,491.44 and 77,754.33 is: 107,352.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,452.07 : 181,491.44 = 77,754.33 : x
  2. Step 2: Convert to fraction form
    131,452.07/181,491.44 = 77,754.33/x
  3. Step 3: Cross multiply
    131,452.07x = 181,491.44 × 77,754.33
  4. Step 4: Simplify right side
    131,452.07x = 14,111,744,929.16
  5. Step 5: Solve for x
    x = 14,111,744,929.16/131,452.07
  6. Step 6: Final answer
    x = 107,352.78

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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.