Home / 84,155.51-116,135.27-45,915.36

Finding the Fourth Proportional to 84,155.51, 116,135.27 and 45,915.36

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Solution

The fourth proportional to 84,155.51, 116,135.27 and 45,915.36 is: 63,363.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,155.51 : 116,135.27 = 45,915.36 : x
  2. Step 2: Convert to fraction form
    84,155.51/116,135.27 = 45,915.36/x
  3. Step 3: Cross multiply
    84,155.51x = 116,135.27 × 45,915.36
  4. Step 4: Simplify right side
    84,155.51x = 5,332,392,237.85
  5. Step 5: Solve for x
    x = 5,332,392,237.85/84,155.51
  6. Step 6: Final answer
    x = 63,363.56

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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.