Home / 115,367.19-159,206.75-63,684.33

Finding the Fourth Proportional to 115,367.19, 159,206.75 and 63,684.33

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Solution

The fourth proportional to 115,367.19, 159,206.75 and 63,684.33 is: 87,884.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,367.19 : 159,206.75 = 63,684.33 : x
  2. Step 2: Convert to fraction form
    115,367.19/159,206.75 = 63,684.33/x
  3. Step 3: Cross multiply
    115,367.19x = 159,206.75 × 63,684.33
  4. Step 4: Simplify right side
    115,367.19x = 10,138,974,528.60
  5. Step 5: Solve for x
    x = 10,138,974,528.60/115,367.19
  6. Step 6: Final answer
    x = 87,884.39

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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.