Home / 94,874.58-130,940.82-57,148.02

Finding the Fourth Proportional to 94,874.58, 130,940.82 and 57,148.02

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Solution

The fourth proportional to 94,874.58, 130,940.82 and 57,148.02 is: 78,872.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,874.58 : 130,940.82 = 57,148.02 : x
  2. Step 2: Convert to fraction form
    94,874.58/130,940.82 = 57,148.02/x
  3. Step 3: Cross multiply
    94,874.58x = 130,940.82 × 57,148.02
  4. Step 4: Simplify right side
    94,874.58x = 7,483,008,600.18
  5. Step 5: Solve for x
    x = 7,483,008,600.18/94,874.58
  6. Step 6: Final answer
    x = 78,872.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.