Home / 173,146.23-238,876.04-105,137.42

Finding the Fourth Proportional to 173,146.23, 238,876.04 and 105,137.42

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Solution

The fourth proportional to 173,146.23, 238,876.04 and 105,137.42 is: 145,049.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,146.23 : 238,876.04 = 105,137.42 : x
  2. Step 2: Convert to fraction form
    173,146.23/238,876.04 = 105,137.42/x
  3. Step 3: Cross multiply
    173,146.23x = 238,876.04 × 105,137.42
  4. Step 4: Simplify right side
    173,146.23x = 25,114,808,825.35
  5. Step 5: Solve for x
    x = 25,114,808,825.35/173,146.23
  6. Step 6: Final answer
    x = 145,049.70

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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.