Home / 222,126.81-306,216.15-158,353.89

Finding the Fourth Proportional to 222,126.81, 306,216.15 and 158,353.89

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Solution

The fourth proportional to 222,126.81, 306,216.15 and 158,353.89 is: 218,301.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,126.81 : 306,216.15 = 158,353.89 : x
  2. Step 2: Convert to fraction form
    222,126.81/306,216.15 = 158,353.89/x
  3. Step 3: Cross multiply
    222,126.81x = 306,216.15 × 158,353.89
  4. Step 4: Simplify right side
    222,126.81x = 48,490,518,533.32
  5. Step 5: Solve for x
    x = 48,490,518,533.32/222,126.81
  6. Step 6: Final answer
    x = 218,301.06

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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.