Home / 143,525.47-215,287.99-48,765.51

Finding the Fourth Proportional to 143,525.47, 215,287.99 and 48,765.51

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Solution

The fourth proportional to 143,525.47, 215,287.99 and 48,765.51 is: 73,148.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,525.47 : 215,287.99 = 48,765.51 : x
  2. Step 2: Convert to fraction form
    143,525.47/215,287.99 = 48,765.51/x
  3. Step 3: Cross multiply
    143,525.47x = 215,287.99 × 48,765.51
  4. Step 4: Simplify right side
    143,525.47x = 10,498,628,629.22
  5. Step 5: Solve for x
    x = 10,498,628,629.22/143,525.47
  6. Step 6: Final answer
    x = 73,148.19

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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.