Home / 222,487.10-307,087.14-127,049.16

Finding the Fourth Proportional to 222,487.10, 307,087.14 and 127,049.16

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Solution

The fourth proportional to 222,487.10, 307,087.14 and 127,049.16 is: 175,359.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,487.10 : 307,087.14 = 127,049.16 : x
  2. Step 2: Convert to fraction form
    222,487.10/307,087.14 = 127,049.16/x
  3. Step 3: Cross multiply
    222,487.10x = 307,087.14 × 127,049.16
  4. Step 4: Simplify right side
    222,487.10x = 39,015,163,183.80
  5. Step 5: Solve for x
    x = 39,015,163,183.80/222,487.10
  6. Step 6: Final answer
    x = 175,359.22

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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.