Home / 137,867.67-206,822.51-70,362.84

Finding the Fourth Proportional to 137,867.67, 206,822.51 and 70,362.84

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Solution

The fourth proportional to 137,867.67, 206,822.51 and 70,362.84 is: 105,554.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,867.67 : 206,822.51 = 70,362.84 : x
  2. Step 2: Convert to fraction form
    137,867.67/206,822.51 = 70,362.84/x
  3. Step 3: Cross multiply
    137,867.67x = 206,822.51 × 70,362.84
  4. Step 4: Simplify right side
    137,867.67x = 14,552,618,310.66
  5. Step 5: Solve for x
    x = 14,552,618,310.66/137,867.67
  6. Step 6: Final answer
    x = 105,554.98

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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.