Home / 102,266.82-153,407.21-34,771.38

Finding the Fourth Proportional to 102,266.82, 153,407.21 and 34,771.38

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Solution

The fourth proportional to 102,266.82, 153,407.21 and 34,771.38 is: 52,159.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,266.82 : 153,407.21 = 34,771.38 : x
  2. Step 2: Convert to fraction form
    102,266.82/153,407.21 = 34,771.38/x
  3. Step 3: Cross multiply
    102,266.82x = 153,407.21 × 34,771.38
  4. Step 4: Simplify right side
    102,266.82x = 5,334,180,219.79
  5. Step 5: Solve for x
    x = 5,334,180,219.79/102,266.82
  6. Step 6: Final answer
    x = 52,159.44

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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.