Home / 145,947.30-218,494.44-131,939.57

Finding the Fourth Proportional to 145,947.30, 218,494.44 and 131,939.57

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Solution

The fourth proportional to 145,947.30, 218,494.44 and 131,939.57 is: 197,523.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,947.30 : 218,494.44 = 131,939.57 : x
  2. Step 2: Convert to fraction form
    145,947.30/218,494.44 = 131,939.57/x
  3. Step 3: Cross multiply
    145,947.30x = 218,494.44 × 131,939.57
  4. Step 4: Simplify right side
    145,947.30x = 28,828,061,368.52
  5. Step 5: Solve for x
    x = 28,828,061,368.52/145,947.30
  6. Step 6: Final answer
    x = 197,523.77

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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.