Home / 125,035.43-172,629.39-111,583.58

Finding the Fourth Proportional to 125,035.43, 172,629.39 and 111,583.58

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Solution

The fourth proportional to 125,035.43, 172,629.39 and 111,583.58 is: 154,057.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,035.43 : 172,629.39 = 111,583.58 : x
  2. Step 2: Convert to fraction form
    125,035.43/172,629.39 = 111,583.58/x
  3. Step 3: Cross multiply
    125,035.43x = 172,629.39 × 111,583.58
  4. Step 4: Simplify right side
    125,035.43x = 19,262,605,349.42
  5. Step 5: Solve for x
    x = 19,262,605,349.42/125,035.43
  6. Step 6: Final answer
    x = 154,057.18

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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.