Home / 91,771.98-137,435.67-46,674.69

Finding the Fourth Proportional to 91,771.98, 137,435.67 and 46,674.69

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Solution

The fourth proportional to 91,771.98, 137,435.67 and 46,674.69 is: 69,898.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,771.98 : 137,435.67 = 46,674.69 : x
  2. Step 2: Convert to fraction form
    91,771.98/137,435.67 = 46,674.69/x
  3. Step 3: Cross multiply
    91,771.98x = 137,435.67 × 46,674.69
  4. Step 4: Simplify right side
    91,771.98x = 6,414,767,292.19
  5. Step 5: Solve for x
    x = 6,414,767,292.19/91,771.98
  6. Step 6: Final answer
    x = 69,898.97

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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.