Home / 131,495.14-181,418.97-74,866.42

Finding the Fourth Proportional to 131,495.14, 181,418.97 and 74,866.42

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Solution

The fourth proportional to 131,495.14, 181,418.97 and 74,866.42 is: 103,290.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,495.14 : 181,418.97 = 74,866.42 : x
  2. Step 2: Convert to fraction form
    131,495.14/181,418.97 = 74,866.42/x
  3. Step 3: Cross multiply
    131,495.14x = 181,418.97 × 74,866.42
  4. Step 4: Simplify right side
    131,495.14x = 13,582,188,803.99
  5. Step 5: Solve for x
    x = 13,582,188,803.99/131,495.14
  6. Step 6: Final answer
    x = 103,290.42

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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.