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Finding the Fourth Proportional to 104,632, 156,948 and 26,808

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Solution

The fourth proportional to 104,632, 156,948 and 26,808 is: 40,212

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,632 : 156,948 = 26,808 : x
  2. Step 2: Convert to fraction form
    104,632/156,948 = 26,808/x
  3. Step 3: Cross multiply
    104,632x = 156,948 × 26,808
  4. Step 4: Simplify right side
    104,632x = 4,207,461,984
  5. Step 5: Solve for x
    x = 4,207,461,984/104,632
  6. Step 6: Final answer
    x = 40,212

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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.