Home / 133,107.74-183,692.46-72,682.21

Finding the Fourth Proportional to 133,107.74, 183,692.46 and 72,682.21

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Solution

The fourth proportional to 133,107.74, 183,692.46 and 72,682.21 is: 100,303.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,107.74 : 183,692.46 = 72,682.21 : x
  2. Step 2: Convert to fraction form
    133,107.74/183,692.46 = 72,682.21/x
  3. Step 3: Cross multiply
    133,107.74x = 183,692.46 × 72,682.21
  4. Step 4: Simplify right side
    133,107.74x = 13,351,173,221.35
  5. Step 5: Solve for x
    x = 13,351,173,221.35/133,107.74
  6. Step 6: Final answer
    x = 100,303.51

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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.