Home / 98,025.85-147,087.42-38,860.21

Finding the Fourth Proportional to 98,025.85, 147,087.42 and 38,860.21

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Solution

The fourth proportional to 98,025.85, 147,087.42 and 38,860.21 is: 58,309.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,025.85 : 147,087.42 = 38,860.21 : x
  2. Step 2: Convert to fraction form
    98,025.85/147,087.42 = 38,860.21/x
  3. Step 3: Cross multiply
    98,025.85x = 147,087.42 × 38,860.21
  4. Step 4: Simplify right side
    98,025.85x = 5,715,848,029.56
  5. Step 5: Solve for x
    x = 5,715,848,029.56/98,025.85
  6. Step 6: Final answer
    x = 58,309.60

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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.