Home / 238,678.92-329,376.44-136,737.38

Finding the Fourth Proportional to 238,678.92, 329,376.44 and 136,737.38

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Solution

The fourth proportional to 238,678.92, 329,376.44 and 136,737.38 is: 188,697.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,678.92 : 329,376.44 = 136,737.38 : x
  2. Step 2: Convert to fraction form
    238,678.92/329,376.44 = 136,737.38/x
  3. Step 3: Cross multiply
    238,678.92x = 329,376.44 × 136,737.38
  4. Step 4: Simplify right side
    238,678.92x = 45,038,072,604.61
  5. Step 5: Solve for x
    x = 45,038,072,604.61/238,678.92
  6. Step 6: Final answer
    x = 188,697.32

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1.5x scale

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.