Home / 84,738.07-116,943.41-51,214.87

Finding the Fourth Proportional to 84,738.07, 116,943.41 and 51,214.87

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Solution

The fourth proportional to 84,738.07, 116,943.41 and 51,214.87 is: 70,679.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,738.07 : 116,943.41 = 51,214.87 : x
  2. Step 2: Convert to fraction form
    84,738.07/116,943.41 = 51,214.87/x
  3. Step 3: Cross multiply
    84,738.07x = 116,943.41 × 51,214.87
  4. Step 4: Simplify right side
    84,738.07x = 5,989,241,540.51
  5. Step 5: Solve for x
    x = 5,989,241,540.51/84,738.07
  6. Step 6: Final answer
    x = 70,679.47

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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.