Home / 100,775.07-151,062.30-48,123

Finding the Fourth Proportional to 100,775.07, 151,062.30 and 48,123

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Solution

The fourth proportional to 100,775.07, 151,062.30 and 48,123 is: 72,136.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,775.07 : 151,062.30 = 48,123 : x
  2. Step 2: Convert to fraction form
    100,775.07/151,062.30 = 48,123/x
  3. Step 3: Cross multiply
    100,775.07x = 151,062.30 × 48,123
  4. Step 4: Simplify right side
    100,775.07x = 7,269,571,062.90
  5. Step 5: Solve for x
    x = 7,269,571,062.90/100,775.07
  6. Step 6: Final answer
    x = 72,136.60

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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.