Home / 220,068.23-330,124.73-75,955.30

Finding the Fourth Proportional to 220,068.23, 330,124.73 and 75,955.30

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Solution

The fourth proportional to 220,068.23, 330,124.73 and 75,955.30 is: 113,940.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,068.23 : 330,124.73 = 75,955.30 : x
  2. Step 2: Convert to fraction form
    220,068.23/330,124.73 = 75,955.30/x
  3. Step 3: Cross multiply
    220,068.23x = 330,124.73 × 75,955.30
  4. Step 4: Simplify right side
    220,068.23x = 25,074,721,699.48
  5. Step 5: Solve for x
    x = 25,074,721,699.48/220,068.23
  6. Step 6: Final answer
    x = 113,940.67

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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.