Home / 74,522.92-111,784.26-19,118.92

Finding the Fourth Proportional to 74,522.92, 111,784.26 and 19,118.92

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Solution

The fourth proportional to 74,522.92, 111,784.26 and 19,118.92 is: 28,678.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,522.92 : 111,784.26 = 19,118.92 : x
  2. Step 2: Convert to fraction form
    74,522.92/111,784.26 = 19,118.92/x
  3. Step 3: Cross multiply
    74,522.92x = 111,784.26 × 19,118.92
  4. Step 4: Simplify right side
    74,522.92x = 2,137,194,324.20
  5. Step 5: Solve for x
    x = 2,137,194,324.20/74,522.92
  6. Step 6: Final answer
    x = 28,678.35

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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.