Home / 170,478.84-235,164.46-106,705.92

Finding the Fourth Proportional to 170,478.84, 235,164.46 and 106,705.92

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Solution

The fourth proportional to 170,478.84, 235,164.46 and 106,705.92 is: 147,193.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,478.84 : 235,164.46 = 106,705.92 : x
  2. Step 2: Convert to fraction form
    170,478.84/235,164.46 = 106,705.92/x
  3. Step 3: Cross multiply
    170,478.84x = 235,164.46 × 106,705.92
  4. Step 4: Simplify right side
    170,478.84x = 25,093,440,055.60
  5. Step 5: Solve for x
    x = 25,093,440,055.60/170,478.84
  6. Step 6: Final answer
    x = 147,193.87

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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.