Home / 102,910.10-154,365.15-96,689.30

Finding the Fourth Proportional to 102,910.10, 154,365.15 and 96,689.30

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Solution

The fourth proportional to 102,910.10, 154,365.15 and 96,689.30 is: 145,033.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,910.10 : 154,365.15 = 96,689.30 : x
  2. Step 2: Convert to fraction form
    102,910.10/154,365.15 = 96,689.30/x
  3. Step 3: Cross multiply
    102,910.10x = 154,365.15 × 96,689.30
  4. Step 4: Simplify right side
    102,910.10x = 14,925,458,297.90
  5. Step 5: Solve for x
    x = 14,925,458,297.90/102,910.10
  6. Step 6: Final answer
    x = 145,033.95

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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.