Home / 143,309.07-197,762.27-82,053.23

Finding the Fourth Proportional to 143,309.07, 197,762.27 and 82,053.23

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Solution

The fourth proportional to 143,309.07, 197,762.27 and 82,053.23 is: 113,231.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,309.07 : 197,762.27 = 82,053.23 : x
  2. Step 2: Convert to fraction form
    143,309.07/197,762.27 = 82,053.23/x
  3. Step 3: Cross multiply
    143,309.07x = 197,762.27 × 82,053.23
  4. Step 4: Simplify right side
    143,309.07x = 16,227,031,626.55
  5. Step 5: Solve for x
    x = 16,227,031,626.55/143,309.07
  6. Step 6: Final answer
    x = 113,231.02

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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.