Home / 137,284.54-189,354.98-125,990.51

Finding the Fourth Proportional to 137,284.54, 189,354.98 and 125,990.51

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Solution

The fourth proportional to 137,284.54, 189,354.98 and 125,990.51 is: 173,777.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,284.54 : 189,354.98 = 125,990.51 : x
  2. Step 2: Convert to fraction form
    137,284.54/189,354.98 = 125,990.51/x
  3. Step 3: Cross multiply
    137,284.54x = 189,354.98 × 125,990.51
  4. Step 4: Simplify right side
    137,284.54x = 23,856,929,871.29
  5. Step 5: Solve for x
    x = 23,856,929,871.29/137,284.54
  6. Step 6: Final answer
    x = 173,777.26

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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.