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Finding the Fourth Proportional to 213,905, 295,266.66 and 124,481

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Solution

The fourth proportional to 213,905, 295,266.66 and 124,481 is: 171,829.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,905 : 295,266.66 = 124,481 : x
  2. Step 2: Convert to fraction form
    213,905/295,266.66 = 124,481/x
  3. Step 3: Cross multiply
    213,905x = 295,266.66 × 124,481
  4. Step 4: Simplify right side
    213,905x = 36,755,089,103.46
  5. Step 5: Solve for x
    x = 36,755,089,103.46/213,905
  6. Step 6: Final answer
    x = 171,829.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.