Home / 140,772.94-194,266.76-77,110.99

Finding the Fourth Proportional to 140,772.94, 194,266.76 and 77,110.99

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Solution

The fourth proportional to 140,772.94, 194,266.76 and 77,110.99 is: 106,413.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,772.94 : 194,266.76 = 77,110.99 : x
  2. Step 2: Convert to fraction form
    140,772.94/194,266.76 = 77,110.99/x
  3. Step 3: Cross multiply
    140,772.94x = 194,266.76 × 77,110.99
  4. Step 4: Simplify right side
    140,772.94x = 14,980,102,187.69
  5. Step 5: Solve for x
    x = 14,980,102,187.69/140,772.94
  6. Step 6: Final answer
    x = 106,413.22

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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.