Home / 117,999.78-162,698.10-96,409.50

Finding the Fourth Proportional to 117,999.78, 162,698.10 and 96,409.50

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Solution

The fourth proportional to 117,999.78, 162,698.10 and 96,409.50 is: 132,929.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,999.78 : 162,698.10 = 96,409.50 : x
  2. Step 2: Convert to fraction form
    117,999.78/162,698.10 = 96,409.50/x
  3. Step 3: Cross multiply
    117,999.78x = 162,698.10 × 96,409.50
  4. Step 4: Simplify right side
    117,999.78x = 15,685,642,471.95
  5. Step 5: Solve for x
    x = 15,685,642,471.95/117,999.78
  6. Step 6: Final answer
    x = 132,929.42

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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.