Home / 145,568.94-218,428.20-60,243.18

Finding the Fourth Proportional to 145,568.94, 218,428.20 and 60,243.18

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Solution

The fourth proportional to 145,568.94, 218,428.20 and 60,243.18 is: 90,395.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,568.94 : 218,428.20 = 60,243.18 : x
  2. Step 2: Convert to fraction form
    145,568.94/218,428.20 = 60,243.18/x
  3. Step 3: Cross multiply
    145,568.94x = 218,428.20 × 60,243.18
  4. Step 4: Simplify right side
    145,568.94x = 13,158,809,369.68
  5. Step 5: Solve for x
    x = 13,158,809,369.68/145,568.94
  6. Step 6: Final answer
    x = 90,395.72

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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.