Home / 133,075.90-199,759.65-83,212.30

Finding the Fourth Proportional to 133,075.90, 199,759.65 and 83,212.30

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Solution

The fourth proportional to 133,075.90, 199,759.65 and 83,212.30 is: 124,909.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,075.90 : 199,759.65 = 83,212.30 : x
  2. Step 2: Convert to fraction form
    133,075.90/199,759.65 = 83,212.30/x
  3. Step 3: Cross multiply
    133,075.90x = 199,759.65 × 83,212.30
  4. Step 4: Simplify right side
    133,075.90x = 16,622,459,923.70
  5. Step 5: Solve for x
    x = 16,622,459,923.70/133,075.90
  6. Step 6: Final answer
    x = 124,909.62

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1.5x scale

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.