Home / 123,620.28-170,600.09-69,914.04

Finding the Fourth Proportional to 123,620.28, 170,600.09 and 69,914.04

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Solution

The fourth proportional to 123,620.28, 170,600.09 and 69,914.04 is: 96,483.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,620.28 : 170,600.09 = 69,914.04 : x
  2. Step 2: Convert to fraction form
    123,620.28/170,600.09 = 69,914.04/x
  3. Step 3: Cross multiply
    123,620.28x = 170,600.09 × 69,914.04
  4. Step 4: Simplify right side
    123,620.28x = 11,927,341,166.69
  5. Step 5: Solve for x
    x = 11,927,341,166.69/123,620.28
  6. Step 6: Final answer
    x = 96,483.69

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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.