Home / 91,945.90-137,918.82-29,616.40

Finding the Fourth Proportional to 91,945.90, 137,918.82 and 29,616.40

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Solution

The fourth proportional to 91,945.90, 137,918.82 and 29,616.40 is: 44,424.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,945.90 : 137,918.82 = 29,616.40 : x
  2. Step 2: Convert to fraction form
    91,945.90/137,918.82 = 29,616.40/x
  3. Step 3: Cross multiply
    91,945.90x = 137,918.82 × 29,616.40
  4. Step 4: Simplify right side
    91,945.90x = 4,084,658,940.65
  5. Step 5: Solve for x
    x = 4,084,658,940.65/91,945.90
  6. Step 6: Final answer
    x = 44,424.59

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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.