Home / 251,904.73-347,623.32-137,185.38

Finding the Fourth Proportional to 251,904.73, 347,623.32 and 137,185.38

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Solution

The fourth proportional to 251,904.73, 347,623.32 and 137,185.38 is: 189,312.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,904.73 : 347,623.32 = 137,185.38 : x
  2. Step 2: Convert to fraction form
    251,904.73/347,623.32 = 137,185.38/x
  3. Step 3: Cross multiply
    251,904.73x = 347,623.32 × 137,185.38
  4. Step 4: Simplify right side
    251,904.73x = 47,688,837,251.06
  5. Step 5: Solve for x
    x = 47,688,837,251.06/251,904.73
  6. Step 6: Final answer
    x = 189,312.99

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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.