Home / 222,461.30-307,023.57-125,669.23

Finding the Fourth Proportional to 222,461.30, 307,023.57 and 125,669.23

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Solution

The fourth proportional to 222,461.30, 307,023.57 and 125,669.23 is: 173,438.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,461.30 : 307,023.57 = 125,669.23 : x
  2. Step 2: Convert to fraction form
    222,461.30/307,023.57 = 125,669.23/x
  3. Step 3: Cross multiply
    222,461.30x = 307,023.57 × 125,669.23
  4. Step 4: Simplify right side
    222,461.30x = 38,583,415,005.40
  5. Step 5: Solve for x
    x = 38,583,415,005.40/222,461.30
  6. Step 6: Final answer
    x = 173,438.77

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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.