Home / 147,705.84-221,558.76-117,016.56

Finding the Fourth Proportional to 147,705.84, 221,558.76 and 117,016.56

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Solution

The fourth proportional to 147,705.84, 221,558.76 and 117,016.56 is: 175,524.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,705.84 : 221,558.76 = 117,016.56 : x
  2. Step 2: Convert to fraction form
    147,705.84/221,558.76 = 117,016.56/x
  3. Step 3: Cross multiply
    147,705.84x = 221,558.76 × 117,016.56
  4. Step 4: Simplify right side
    147,705.84x = 25,926,043,933.07
  5. Step 5: Solve for x
    x = 25,926,043,933.07/147,705.84
  6. Step 6: Final answer
    x = 175,524.84

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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.