Home / 222,276.07-306,721.56-131,615.83

Finding the Fourth Proportional to 222,276.07, 306,721.56 and 131,615.83

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Solution

The fourth proportional to 222,276.07, 306,721.56 and 131,615.83 is: 181,618.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,276.07 : 306,721.56 = 131,615.83 : x
  2. Step 2: Convert to fraction form
    222,276.07/306,721.56 = 131,615.83/x
  3. Step 3: Cross multiply
    222,276.07x = 306,721.56 × 131,615.83
  4. Step 4: Simplify right side
    222,276.07x = 40,369,412,698.29
  5. Step 5: Solve for x
    x = 40,369,412,698.29/222,276.07
  6. Step 6: Final answer
    x = 181,618.35

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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.