Home / 122,072.41-168,476.99-88,190.51

Finding the Fourth Proportional to 122,072.41, 168,476.99 and 88,190.51

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Solution

The fourth proportional to 122,072.41, 168,476.99 and 88,190.51 is: 121,715.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,072.41 : 168,476.99 = 88,190.51 : x
  2. Step 2: Convert to fraction form
    122,072.41/168,476.99 = 88,190.51/x
  3. Step 3: Cross multiply
    122,072.41x = 168,476.99 × 88,190.51
  4. Step 4: Simplify right side
    122,072.41x = 14,858,071,671.36
  5. Step 5: Solve for x
    x = 14,858,071,671.36/122,072.41
  6. Step 6: Final answer
    x = 121,715.23

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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.