Home / 276,095.64-381,007.36-153,586.54

Finding the Fourth Proportional to 276,095.64, 381,007.36 and 153,586.54

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Solution

The fourth proportional to 276,095.64, 381,007.36 and 153,586.54 is: 211,946.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,095.64 : 381,007.36 = 153,586.54 : x
  2. Step 2: Convert to fraction form
    276,095.64/381,007.36 = 153,586.54/x
  3. Step 3: Cross multiply
    276,095.64x = 381,007.36 × 153,586.54
  4. Step 4: Simplify right side
    276,095.64x = 58,517,602,136.93
  5. Step 5: Solve for x
    x = 58,517,602,136.93/276,095.64
  6. Step 6: Final answer
    x = 211,946.85

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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.