Home / 91,940.04-137,918.04-25,380.20

Finding the Fourth Proportional to 91,940.04, 137,918.04 and 25,380.20

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Solution

The fourth proportional to 91,940.04, 137,918.04 and 25,380.20 is: 38,072.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,940.04 : 137,918.04 = 25,380.20 : x
  2. Step 2: Convert to fraction form
    91,940.04/137,918.04 = 25,380.20/x
  3. Step 3: Cross multiply
    91,940.04x = 137,918.04 × 25,380.20
  4. Step 4: Simplify right side
    91,940.04x = 3,500,387,438.81
  5. Step 5: Solve for x
    x = 3,500,387,438.81/91,940.04
  6. Step 6: Final answer
    x = 38,072.50

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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.