Home / 145,945.29-218,491.44-131,937.56

Finding the Fourth Proportional to 145,945.29, 218,491.44 and 131,937.56

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Solution

The fourth proportional to 145,945.29, 218,491.44 and 131,937.56 is: 197,520.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,945.29 : 218,491.44 = 131,937.56 : x
  2. Step 2: Convert to fraction form
    145,945.29/218,491.44 = 131,937.56/x
  3. Step 3: Cross multiply
    145,945.29x = 218,491.44 × 131,937.56
  4. Step 4: Simplify right side
    145,945.29x = 28,827,227,474.49
  5. Step 5: Solve for x
    x = 28,827,227,474.49/145,945.29
  6. Step 6: Final answer
    x = 197,520.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.