Home / 131,075.63-196,190.51-67,808.62

Finding the Fourth Proportional to 131,075.63, 196,190.51 and 67,808.62

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Solution

The fourth proportional to 131,075.63, 196,190.51 and 67,808.62 is: 101,494.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,075.63 : 196,190.51 = 67,808.62 : x
  2. Step 2: Convert to fraction form
    131,075.63/196,190.51 = 67,808.62/x
  3. Step 3: Cross multiply
    131,075.63x = 196,190.51 × 67,808.62
  4. Step 4: Simplify right side
    131,075.63x = 13,303,407,419.24
  5. Step 5: Solve for x
    x = 13,303,407,419.24/131,075.63
  6. Step 6: Final answer
    x = 101,494.14

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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.