Home / 222,100.77-306,499.11-125,325.17

Finding the Fourth Proportional to 222,100.77, 306,499.11 and 125,325.17

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Solution

The fourth proportional to 222,100.77, 306,499.11 and 125,325.17 is: 172,948.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,100.77 : 306,499.11 = 125,325.17 : x
  2. Step 2: Convert to fraction form
    222,100.77/306,499.11 = 125,325.17/x
  3. Step 3: Cross multiply
    222,100.77x = 306,499.11 × 125,325.17
  4. Step 4: Simplify right side
    222,100.77x = 38,412,053,065.60
  5. Step 5: Solve for x
    x = 38,412,053,065.60/222,100.77
  6. Step 6: Final answer
    x = 172,948.76

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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.