Home / 98,025.60-147,098.88-45,425.28

Finding the Fourth Proportional to 98,025.60, 147,098.88 and 45,425.28

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Solution

The fourth proportional to 98,025.60, 147,098.88 and 45,425.28 is: 68,165.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,025.60 : 147,098.88 = 45,425.28 : x
  2. Step 2: Convert to fraction form
    98,025.60/147,098.88 = 45,425.28/x
  3. Step 3: Cross multiply
    98,025.60x = 147,098.88 × 45,425.28
  4. Step 4: Simplify right side
    98,025.60x = 6,682,007,811.69
  5. Step 5: Solve for x
    x = 6,682,007,811.69/98,025.60
  6. Step 6: Final answer
    x = 68,165.95

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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.