Home / 143,172.06-197,666.24-92,272.47

Finding the Fourth Proportional to 143,172.06, 197,666.24 and 92,272.47

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Solution

The fourth proportional to 143,172.06, 197,666.24 and 92,272.47 is: 127,393.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,172.06 : 197,666.24 = 92,272.47 : x
  2. Step 2: Convert to fraction form
    143,172.06/197,666.24 = 92,272.47/x
  3. Step 3: Cross multiply
    143,172.06x = 197,666.24 × 92,272.47
  4. Step 4: Simplify right side
    143,172.06x = 18,239,151,739.05
  5. Step 5: Solve for x
    x = 18,239,151,739.05/143,172.06
  6. Step 6: Final answer
    x = 127,393.23

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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.