Home / 137,867.29-206,821.95-70,362.46

Finding the Fourth Proportional to 137,867.29, 206,821.95 and 70,362.46

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Solution

The fourth proportional to 137,867.29, 206,821.95 and 70,362.46 is: 105,554.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,867.29 : 206,821.95 = 70,362.46 : x
  2. Step 2: Convert to fraction form
    137,867.29/206,821.95 = 70,362.46/x
  3. Step 3: Cross multiply
    137,867.29x = 206,821.95 × 70,362.46
  4. Step 4: Simplify right side
    137,867.29x = 14,552,501,184.00
  5. Step 5: Solve for x
    x = 14,552,501,184.00/137,867.29
  6. Step 6: Final answer
    x = 105,554.42

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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.