Home / 161,108.91-222,392.30-107,374.32

Finding the Fourth Proportional to 161,108.91, 222,392.30 and 107,374.32

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Solution

The fourth proportional to 161,108.91, 222,392.30 and 107,374.32 is: 148,217.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,108.91 : 222,392.30 = 107,374.32 : x
  2. Step 2: Convert to fraction form
    161,108.91/222,392.30 = 107,374.32/x
  3. Step 3: Cross multiply
    161,108.91x = 222,392.30 × 107,374.32
  4. Step 4: Simplify right side
    161,108.91x = 23,879,221,448.86
  5. Step 5: Solve for x
    x = 23,879,221,448.86/161,108.91
  6. Step 6: Final answer
    x = 148,217.88

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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.