Home / 197,939.72-272,790.50-140,581.55

Finding the Fourth Proportional to 197,939.72, 272,790.50 and 140,581.55

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Solution

The fourth proportional to 197,939.72, 272,790.50 and 140,581.55 is: 193,742.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,939.72 : 272,790.50 = 140,581.55 : x
  2. Step 2: Convert to fraction form
    197,939.72/272,790.50 = 140,581.55/x
  3. Step 3: Cross multiply
    197,939.72x = 272,790.50 × 140,581.55
  4. Step 4: Simplify right side
    197,939.72x = 38,349,311,294.34
  5. Step 5: Solve for x
    x = 38,349,311,294.34/197,939.72
  6. Step 6: Final answer
    x = 193,742.37

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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.