Home / 197,863.08-273,058.02-112,978.60

Finding the Fourth Proportional to 197,863.08, 273,058.02 and 112,978.60

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Solution

The fourth proportional to 197,863.08, 273,058.02 and 112,978.60 is: 155,914.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,863.08 : 273,058.02 = 112,978.60 : x
  2. Step 2: Convert to fraction form
    197,863.08/273,058.02 = 112,978.60/x
  3. Step 3: Cross multiply
    197,863.08x = 273,058.02 × 112,978.60
  4. Step 4: Simplify right side
    197,863.08x = 30,849,712,818.37
  5. Step 5: Solve for x
    x = 30,849,712,818.37/197,863.08
  6. Step 6: Final answer
    x = 155,914.45

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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.