Home / 91,819.04-137,710.40-25,242

Finding the Fourth Proportional to 91,819.04, 137,710.40 and 25,242

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Solution

The fourth proportional to 91,819.04, 137,710.40 and 25,242 is: 37,858.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,819.04 : 137,710.40 = 25,242 : x
  2. Step 2: Convert to fraction form
    91,819.04/137,710.40 = 25,242/x
  3. Step 3: Cross multiply
    91,819.04x = 137,710.40 × 25,242
  4. Step 4: Simplify right side
    91,819.04x = 3,476,085,916.80
  5. Step 5: Solve for x
    x = 3,476,085,916.80/91,819.04
  6. Step 6: Final answer
    x = 37,858.01

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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.