Home / 142,684.45-196,904.46-79,022.19

Finding the Fourth Proportional to 142,684.45, 196,904.46 and 79,022.19

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Solution

The fourth proportional to 142,684.45, 196,904.46 and 79,022.19 is: 109,050.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,684.45 : 196,904.46 = 79,022.19 : x
  2. Step 2: Convert to fraction form
    142,684.45/196,904.46 = 79,022.19/x
  3. Step 3: Cross multiply
    142,684.45x = 196,904.46 × 79,022.19
  4. Step 4: Simplify right side
    142,684.45x = 15,559,821,649.97
  5. Step 5: Solve for x
    x = 15,559,821,649.97/142,684.45
  6. Step 6: Final answer
    x = 109,050.58

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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.