Home / 272,122.53-408,187.98-103,652.25

Finding the Fourth Proportional to 272,122.53, 408,187.98 and 103,652.25

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Solution

The fourth proportional to 272,122.53, 408,187.98 and 103,652.25 is: 155,479.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,122.53 : 408,187.98 = 103,652.25 : x
  2. Step 2: Convert to fraction form
    272,122.53/408,187.98 = 103,652.25/x
  3. Step 3: Cross multiply
    272,122.53x = 408,187.98 × 103,652.25
  4. Step 4: Simplify right side
    272,122.53x = 42,309,602,549.96
  5. Step 5: Solve for x
    x = 42,309,602,549.96/272,122.53
  6. Step 6: Final answer
    x = 155,479.97

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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.