Home / 198,055.78-273,302.85-112,014.34

Finding the Fourth Proportional to 198,055.78, 273,302.85 and 112,014.34

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Solution

The fourth proportional to 198,055.78, 273,302.85 and 112,014.34 is: 154,571.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,055.78 : 273,302.85 = 112,014.34 : x
  2. Step 2: Convert to fraction form
    198,055.78/273,302.85 = 112,014.34/x
  3. Step 3: Cross multiply
    198,055.78x = 273,302.85 × 112,014.34
  4. Step 4: Simplify right side
    198,055.78x = 30,613,838,362.87
  5. Step 5: Solve for x
    x = 30,613,838,362.87/198,055.78
  6. Step 6: Final answer
    x = 154,571.80

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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.