Home / 212,166.89-292,928.52-131,712.62

Finding the Fourth Proportional to 212,166.89, 292,928.52 and 131,712.62

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Solution

The fourth proportional to 212,166.89, 292,928.52 and 131,712.62 is: 181,849.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,166.89 : 292,928.52 = 131,712.62 : x
  2. Step 2: Convert to fraction form
    212,166.89/292,928.52 = 131,712.62/x
  3. Step 3: Cross multiply
    212,166.89x = 292,928.52 × 131,712.62
  4. Step 4: Simplify right side
    212,166.89x = 38,582,382,183.36
  5. Step 5: Solve for x
    x = 38,582,382,183.36/212,166.89
  6. Step 6: Final answer
    x = 181,849.22

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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.