Home / 136,019.46-187,692.21-75,576.45

Finding the Fourth Proportional to 136,019.46, 187,692.21 and 75,576.45

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Solution

The fourth proportional to 136,019.46, 187,692.21 and 75,576.45 is: 104,287.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,019.46 : 187,692.21 = 75,576.45 : x
  2. Step 2: Convert to fraction form
    136,019.46/187,692.21 = 75,576.45/x
  3. Step 3: Cross multiply
    136,019.46x = 187,692.21 × 75,576.45
  4. Step 4: Simplify right side
    136,019.46x = 14,185,110,924.45
  5. Step 5: Solve for x
    x = 14,185,110,924.45/136,019.46
  6. Step 6: Final answer
    x = 104,287.36

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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.