Home / 117,999.09-162,838.49-64,284.57

Finding the Fourth Proportional to 117,999.09, 162,838.49 and 64,284.57

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Solution

The fourth proportional to 117,999.09, 162,838.49 and 64,284.57 is: 88,712.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,999.09 : 162,838.49 = 64,284.57 : x
  2. Step 2: Convert to fraction form
    117,999.09/162,838.49 = 64,284.57/x
  3. Step 3: Cross multiply
    117,999.09x = 162,838.49 × 64,284.57
  4. Step 4: Simplify right side
    117,999.09x = 10,468,001,987.68
  5. Step 5: Solve for x
    x = 10,468,001,987.68/117,999.09
  6. Step 6: Final answer
    x = 88,712.57

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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.