Home / 144,022.94-198,696.21-90,214.28

Finding the Fourth Proportional to 144,022.94, 198,696.21 and 90,214.28

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Solution

The fourth proportional to 144,022.94, 198,696.21 and 90,214.28 is: 124,460.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,022.94 : 198,696.21 = 90,214.28 : x
  2. Step 2: Convert to fraction form
    144,022.94/198,696.21 = 90,214.28/x
  3. Step 3: Cross multiply
    144,022.94x = 198,696.21 × 90,214.28
  4. Step 4: Simplify right side
    144,022.94x = 17,925,234,530.40
  5. Step 5: Solve for x
    x = 17,925,234,530.40/144,022.94
  6. Step 6: Final answer
    x = 124,460.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.