Home / 143,430.96-197,949.24-82,185.26

Finding the Fourth Proportional to 143,430.96, 197,949.24 and 82,185.26

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Solution

The fourth proportional to 143,430.96, 197,949.24 and 82,185.26 is: 113,423.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,430.96 : 197,949.24 = 82,185.26 : x
  2. Step 2: Convert to fraction form
    143,430.96/197,949.24 = 82,185.26/x
  3. Step 3: Cross multiply
    143,430.96x = 197,949.24 × 82,185.26
  4. Step 4: Simplify right side
    143,430.96x = 16,268,509,756.20
  5. Step 5: Solve for x
    x = 16,268,509,756.20/143,430.96
  6. Step 6: Final answer
    x = 113,423.98

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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.