Home / 74,205.74-111,307.05-18,046.15

Finding the Fourth Proportional to 74,205.74, 111,307.05 and 18,046.15

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Solution

The fourth proportional to 74,205.74, 111,307.05 and 18,046.15 is: 27,068.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,205.74 : 111,307.05 = 18,046.15 : x
  2. Step 2: Convert to fraction form
    74,205.74/111,307.05 = 18,046.15/x
  3. Step 3: Cross multiply
    74,205.74x = 111,307.05 × 18,046.15
  4. Step 4: Simplify right side
    74,205.74x = 2,008,663,720.36
  5. Step 5: Solve for x
    x = 2,008,663,720.36/74,205.74
  6. Step 6: Final answer
    x = 27,068.85

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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.