Home / 137,905.54-206,854.19-38,071.82

Finding the Fourth Proportional to 137,905.54, 206,854.19 and 38,071.82

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Solution

The fourth proportional to 137,905.54, 206,854.19 and 38,071.82 is: 57,106.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,905.54 : 206,854.19 = 38,071.82 : x
  2. Step 2: Convert to fraction form
    137,905.54/206,854.19 = 38,071.82/x
  3. Step 3: Cross multiply
    137,905.54x = 206,854.19 × 38,071.82
  4. Step 4: Simplify right side
    137,905.54x = 7,875,315,957.47
  5. Step 5: Solve for x
    x = 7,875,315,957.47/137,905.54
  6. Step 6: Final answer
    x = 57,106.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.