Home / 125,261.27-172,871.42-68,683.58

Finding the Fourth Proportional to 125,261.27, 172,871.42 and 68,683.58

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Solution

The fourth proportional to 125,261.27, 172,871.42 and 68,683.58 is: 94,789.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,261.27 : 172,871.42 = 68,683.58 : x
  2. Step 2: Convert to fraction form
    125,261.27/172,871.42 = 68,683.58/x
  3. Step 3: Cross multiply
    125,261.27x = 172,871.42 × 68,683.58
  4. Step 4: Simplify right side
    125,261.27x = 11,873,426,797.51
  5. Step 5: Solve for x
    x = 11,873,426,797.51/125,261.27
  6. Step 6: Final answer
    x = 94,789.29

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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.