Home / 143,568.24-215,386.44-45,072.24

Finding the Fourth Proportional to 143,568.24, 215,386.44 and 45,072.24

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Solution

The fourth proportional to 143,568.24, 215,386.44 and 45,072.24 is: 67,619.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,568.24 : 215,386.44 = 45,072.24 : x
  2. Step 2: Convert to fraction form
    143,568.24/215,386.44 = 45,072.24/x
  3. Step 3: Cross multiply
    143,568.24x = 215,386.44 × 45,072.24
  4. Step 4: Simplify right side
    143,568.24x = 9,707,949,316.43
  5. Step 5: Solve for x
    x = 9,707,949,316.43/143,568.24
  6. Step 6: Final answer
    x = 67,619.06

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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.