Home / 98,029.60-147,104.88-45,429.28

Finding the Fourth Proportional to 98,029.60, 147,104.88 and 45,429.28

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Solution

The fourth proportional to 98,029.60, 147,104.88 and 45,429.28 is: 68,171.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,029.60 : 147,104.88 = 45,429.28 : x
  2. Step 2: Convert to fraction form
    98,029.60/147,104.88 = 45,429.28/x
  3. Step 3: Cross multiply
    98,029.60x = 147,104.88 × 45,429.28
  4. Step 4: Simplify right side
    98,029.60x = 6,682,868,782.89
  5. Step 5: Solve for x
    x = 6,682,868,782.89/98,029.60
  6. Step 6: Final answer
    x = 68,171.95

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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.