Home / 143,412.16-215,122.79-43,573.23

Finding the Fourth Proportional to 143,412.16, 215,122.79 and 43,573.23

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Solution

The fourth proportional to 143,412.16, 215,122.79 and 43,573.23 is: 65,361.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,412.16 : 215,122.79 = 43,573.23 : x
  2. Step 2: Convert to fraction form
    143,412.16/215,122.79 = 43,573.23/x
  3. Step 3: Cross multiply
    143,412.16x = 215,122.79 × 43,573.23
  4. Step 4: Simplify right side
    143,412.16x = 9,373,594,806.91
  5. Step 5: Solve for x
    x = 9,373,594,806.91/143,412.16
  6. Step 6: Final answer
    x = 65,361.23

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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.