Home / 145,832.10-218,721.15-40,629.30

Finding the Fourth Proportional to 145,832.10, 218,721.15 and 40,629.30

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Solution

The fourth proportional to 145,832.10, 218,721.15 and 40,629.30 is: 60,936.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,832.10 : 218,721.15 = 40,629.30 : x
  2. Step 2: Convert to fraction form
    145,832.10/218,721.15 = 40,629.30/x
  3. Step 3: Cross multiply
    145,832.10x = 218,721.15 × 40,629.30
  4. Step 4: Simplify right side
    145,832.10x = 8,886,487,219.70
  5. Step 5: Solve for x
    x = 8,886,487,219.70/145,832.10
  6. Step 6: Final answer
    x = 60,936.43

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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.