Home / 140,634.36-194,075.93-76,103.59

Finding the Fourth Proportional to 140,634.36, 194,075.93 and 76,103.59

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Solution

The fourth proportional to 140,634.36, 194,075.93 and 76,103.59 is: 105,023.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,634.36 : 194,075.93 = 76,103.59 : x
  2. Step 2: Convert to fraction form
    140,634.36/194,075.93 = 76,103.59/x
  3. Step 3: Cross multiply
    140,634.36x = 194,075.93 × 76,103.59
  4. Step 4: Simplify right side
    140,634.36x = 14,769,874,425.27
  5. Step 5: Solve for x
    x = 14,769,874,425.27/140,634.36
  6. Step 6: Final answer
    x = 105,023.23

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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.