Home / 126,075.36-173,991.78-69,486.60

Finding the Fourth Proportional to 126,075.36, 173,991.78 and 69,486.60

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Solution

The fourth proportional to 126,075.36, 173,991.78 and 69,486.60 is: 95,895.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,075.36 : 173,991.78 = 69,486.60 : x
  2. Step 2: Convert to fraction form
    126,075.36/173,991.78 = 69,486.60/x
  3. Step 3: Cross multiply
    126,075.36x = 173,991.78 × 69,486.60
  4. Step 4: Simplify right side
    126,075.36x = 12,090,097,220.15
  5. Step 5: Solve for x
    x = 12,090,097,220.15/126,075.36
  6. Step 6: Final answer
    x = 95,895.80

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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.