Home / 145,687.20-218,563.68-44,494.32

Finding the Fourth Proportional to 145,687.20, 218,563.68 and 44,494.32

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Solution

The fourth proportional to 145,687.20, 218,563.68 and 44,494.32 is: 66,751.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,687.20 : 218,563.68 = 44,494.32 : x
  2. Step 2: Convert to fraction form
    145,687.20/218,563.68 = 44,494.32/x
  3. Step 3: Cross multiply
    145,687.20x = 218,563.68 × 44,494.32
  4. Step 4: Simplify right side
    145,687.20x = 9,724,842,318.30
  5. Step 5: Solve for x
    x = 9,724,842,318.30/145,687.20
  6. Step 6: Final answer
    x = 66,751.52

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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.