Home / 138,569.58-207,858.24-45,075.33

Finding the Fourth Proportional to 138,569.58, 207,858.24 and 45,075.33

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Solution

The fourth proportional to 138,569.58, 207,858.24 and 45,075.33 is: 67,614.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,569.58 : 207,858.24 = 45,075.33 : x
  2. Step 2: Convert to fraction form
    138,569.58/207,858.24 = 45,075.33/x
  3. Step 3: Cross multiply
    138,569.58x = 207,858.24 × 45,075.33
  4. Step 4: Simplify right side
    138,569.58x = 9,369,278,761.22
  5. Step 5: Solve for x
    x = 9,369,278,761.22/138,569.58
  6. Step 6: Final answer
    x = 67,614.25

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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.