Home / 179,611.12-269,008.86-139,306.54

Finding the Fourth Proportional to 179,611.12, 269,008.86 and 139,306.54

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Solution

The fourth proportional to 179,611.12, 269,008.86 and 139,306.54 is: 208,643.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,611.12 : 269,008.86 = 139,306.54 : x
  2. Step 2: Convert to fraction form
    179,611.12/269,008.86 = 139,306.54/x
  3. Step 3: Cross multiply
    179,611.12x = 269,008.86 × 139,306.54
  4. Step 4: Simplify right side
    179,611.12x = 37,474,693,515.94
  5. Step 5: Solve for x
    x = 37,474,693,515.94/179,611.12
  6. Step 6: Final answer
    x = 208,643.50

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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.