Home / 222,247.73-306,668.89-134,987.45

Finding the Fourth Proportional to 222,247.73, 306,668.89 and 134,987.45

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Solution

The fourth proportional to 222,247.73, 306,668.89 and 134,987.45 is: 186,262.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,247.73 : 306,668.89 = 134,987.45 : x
  2. Step 2: Convert to fraction form
    222,247.73/306,668.89 = 134,987.45/x
  3. Step 3: Cross multiply
    222,247.73x = 306,668.89 × 134,987.45
  4. Step 4: Simplify right side
    222,247.73x = 41,396,451,547.17
  5. Step 5: Solve for x
    x = 41,396,451,547.17/222,247.73
  6. Step 6: Final answer
    x = 186,262.65

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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.