Home / 74,122.88-111,189.28-26,085.78

Finding the Fourth Proportional to 74,122.88, 111,189.28 and 26,085.78

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Solution

The fourth proportional to 74,122.88, 111,189.28 and 26,085.78 is: 39,130.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,122.88 : 111,189.28 = 26,085.78 : x
  2. Step 2: Convert to fraction form
    74,122.88/111,189.28 = 26,085.78/x
  3. Step 3: Cross multiply
    74,122.88x = 111,189.28 × 26,085.78
  4. Step 4: Simplify right side
    74,122.88x = 2,900,459,096.44
  5. Step 5: Solve for x
    x = 2,900,459,096.44/74,122.88
  6. Step 6: Final answer
    x = 39,130.42

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1.5x scale

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.