Home / 117,705.81-162,448.97-66,726.84

Finding the Fourth Proportional to 117,705.81, 162,448.97 and 66,726.84

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Solution

The fourth proportional to 117,705.81, 162,448.97 and 66,726.84 is: 92,091.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,705.81 : 162,448.97 = 66,726.84 : x
  2. Step 2: Convert to fraction form
    117,705.81/162,448.97 = 66,726.84/x
  3. Step 3: Cross multiply
    117,705.81x = 162,448.97 × 66,726.84
  4. Step 4: Simplify right side
    117,705.81x = 10,839,706,095.72
  5. Step 5: Solve for x
    x = 10,839,706,095.72/117,705.81
  6. Step 6: Final answer
    x = 92,091.51

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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.