Home / 142,683.24-196,894.26-79,017.24

Finding the Fourth Proportional to 142,683.24, 196,894.26 and 79,017.24

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Solution

The fourth proportional to 142,683.24, 196,894.26 and 79,017.24 is: 109,039.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,683.24 : 196,894.26 = 79,017.24 : x
  2. Step 2: Convert to fraction form
    142,683.24/196,894.26 = 79,017.24/x
  3. Step 3: Cross multiply
    142,683.24x = 196,894.26 × 79,017.24
  4. Step 4: Simplify right side
    142,683.24x = 15,558,040,997.04
  5. Step 5: Solve for x
    x = 15,558,040,997.04/142,683.24
  6. Step 6: Final answer
    x = 109,039.02

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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.