Home / 117,684.36-162,441.56-75,243.06

Finding the Fourth Proportional to 117,684.36, 162,441.56 and 75,243.06

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Solution

The fourth proportional to 117,684.36, 162,441.56 and 75,243.06 is: 103,859.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,684.36 : 162,441.56 = 75,243.06 : x
  2. Step 2: Convert to fraction form
    117,684.36/162,441.56 = 75,243.06/x
  3. Step 3: Cross multiply
    117,684.36x = 162,441.56 × 75,243.06
  4. Step 4: Simplify right side
    117,684.36x = 12,222,600,045.57
  5. Step 5: Solve for x
    x = 12,222,600,045.57/117,684.36
  6. Step 6: Final answer
    x = 103,859.17

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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.