Home / 109,960.10-164,940.15-96,400.70

Finding the Fourth Proportional to 109,960.10, 164,940.15 and 96,400.70

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Solution

The fourth proportional to 109,960.10, 164,940.15 and 96,400.70 is: 144,601.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,960.10 : 164,940.15 = 96,400.70 : x
  2. Step 2: Convert to fraction form
    109,960.10/164,940.15 = 96,400.70/x
  3. Step 3: Cross multiply
    109,960.10x = 164,940.15 × 96,400.70
  4. Step 4: Simplify right side
    109,960.10x = 15,900,345,918.11
  5. Step 5: Solve for x
    x = 15,900,345,918.11/109,960.10
  6. Step 6: Final answer
    x = 144,601.05

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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.