Home / 220,047.72-330,114.02-93,685.65

Finding the Fourth Proportional to 220,047.72, 330,114.02 and 93,685.65

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Solution

The fourth proportional to 220,047.72, 330,114.02 and 93,685.65 is: 140,546.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,047.72 : 330,114.02 = 93,685.65 : x
  2. Step 2: Convert to fraction form
    220,047.72/330,114.02 = 93,685.65/x
  3. Step 3: Cross multiply
    220,047.72x = 330,114.02 × 93,685.65
  4. Step 4: Simplify right side
    220,047.72x = 30,926,946,069.38
  5. Step 5: Solve for x
    x = 30,926,946,069.38/220,047.72
  6. Step 6: Final answer
    x = 140,546.54

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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.