Home / 150,059.36-207,075.21-86,383.64

Finding the Fourth Proportional to 150,059.36, 207,075.21 and 86,383.64

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Solution

The fourth proportional to 150,059.36, 207,075.21 and 86,383.64 is: 119,205.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,059.36 : 207,075.21 = 86,383.64 : x
  2. Step 2: Convert to fraction form
    150,059.36/207,075.21 = 86,383.64/x
  3. Step 3: Cross multiply
    150,059.36x = 207,075.21 × 86,383.64
  4. Step 4: Simplify right side
    150,059.36x = 17,887,910,393.56
  5. Step 5: Solve for x
    x = 17,887,910,393.56/150,059.36
  6. Step 6: Final answer
    x = 119,205.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.