Home / 104,948.79-157,422.43-30,069.21

Finding the Fourth Proportional to 104,948.79, 157,422.43 and 30,069.21

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Solution

The fourth proportional to 104,948.79, 157,422.43 and 30,069.21 is: 45,103.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,948.79 : 157,422.43 = 30,069.21 : x
  2. Step 2: Convert to fraction form
    104,948.79/157,422.43 = 30,069.21/x
  3. Step 3: Cross multiply
    104,948.79x = 157,422.43 × 30,069.21
  4. Step 4: Simplify right side
    104,948.79x = 4,733,568,106.38
  5. Step 5: Solve for x
    x = 4,733,568,106.38/104,948.79
  6. Step 6: Final answer
    x = 45,103.60

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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.