Home / 91,266.12-136,904.06-28,941.48

Finding the Fourth Proportional to 91,266.12, 136,904.06 and 28,941.48

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Solution

The fourth proportional to 91,266.12, 136,904.06 and 28,941.48 is: 43,413.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,266.12 : 136,904.06 = 28,941.48 : x
  2. Step 2: Convert to fraction form
    91,266.12/136,904.06 = 28,941.48/x
  3. Step 3: Cross multiply
    91,266.12x = 136,904.06 × 28,941.48
  4. Step 4: Simplify right side
    91,266.12x = 3,962,206,114.41
  5. Step 5: Solve for x
    x = 3,962,206,114.41/91,266.12
  6. Step 6: Final answer
    x = 43,413.77

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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.