Home / 196,155.45-294,189.39-90,960.75

Finding the Fourth Proportional to 196,155.45, 294,189.39 and 90,960.75

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Solution

The fourth proportional to 196,155.45, 294,189.39 and 90,960.75 is: 136,420.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,155.45 : 294,189.39 = 90,960.75 : x
  2. Step 2: Convert to fraction form
    196,155.45/294,189.39 = 90,960.75/x
  3. Step 3: Cross multiply
    196,155.45x = 294,189.39 × 90,960.75
  4. Step 4: Simplify right side
    196,155.45x = 26,759,686,366.17
  5. Step 5: Solve for x
    x = 26,759,686,366.17/196,155.45
  6. Step 6: Final answer
    x = 136,420.82

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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.