Home / 222,153.72-306,498.84-131,539.92

Finding the Fourth Proportional to 222,153.72, 306,498.84 and 131,539.92

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Solution

The fourth proportional to 222,153.72, 306,498.84 and 131,539.92 is: 181,481.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,153.72 : 306,498.84 = 131,539.92 : x
  2. Step 2: Convert to fraction form
    222,153.72/306,498.84 = 131,539.92/x
  3. Step 3: Cross multiply
    222,153.72x = 306,498.84 × 131,539.92
  4. Step 4: Simplify right side
    222,153.72x = 40,316,832,893.69
  5. Step 5: Solve for x
    x = 40,316,832,893.69/222,153.72
  6. Step 6: Final answer
    x = 181,481.69

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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.