Home / 222,126.06-306,215.12-158,353.14

Finding the Fourth Proportional to 222,126.06, 306,215.12 and 158,353.14

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Solution

The fourth proportional to 222,126.06, 306,215.12 and 158,353.14 is: 218,300.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,126.06 : 306,215.12 = 158,353.14 : x
  2. Step 2: Convert to fraction form
    222,126.06/306,215.12 = 158,353.14/x
  3. Step 3: Cross multiply
    222,126.06x = 306,215.12 × 158,353.14
  4. Step 4: Simplify right side
    222,126.06x = 48,490,124,975.71
  5. Step 5: Solve for x
    x = 48,490,124,975.71/222,126.06
  6. Step 6: Final answer
    x = 218,300.03

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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.