Home / 149,942.14-207,075.10-129,701.86

Finding the Fourth Proportional to 149,942.14, 207,075.10 and 129,701.86

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Solution

The fourth proportional to 149,942.14, 207,075.10 and 129,701.86 is: 179,122.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,942.14 : 207,075.10 = 129,701.86 : x
  2. Step 2: Convert to fraction form
    149,942.14/207,075.10 = 129,701.86/x
  3. Step 3: Cross multiply
    149,942.14x = 207,075.10 × 129,701.86
  4. Step 4: Simplify right side
    149,942.14x = 26,858,025,629.69
  5. Step 5: Solve for x
    x = 26,858,025,629.69/149,942.14
  6. Step 6: Final answer
    x = 179,122.60

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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.