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Finding the Fourth Proportional to 103,064, 154,596 and 25,240

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Solution

The fourth proportional to 103,064, 154,596 and 25,240 is: 37,860

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,064 : 154,596 = 25,240 : x
  2. Step 2: Convert to fraction form
    103,064/154,596 = 25,240/x
  3. Step 3: Cross multiply
    103,064x = 154,596 × 25,240
  4. Step 4: Simplify right side
    103,064x = 3,902,003,040
  5. Step 5: Solve for x
    x = 3,902,003,040/103,064
  6. Step 6: Final answer
    x = 37,860

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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.