Home / 130,916.96-196,376.28-55,974

Finding the Fourth Proportional to 130,916.96, 196,376.28 and 55,974

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Solution

The fourth proportional to 130,916.96, 196,376.28 and 55,974 is: 83,961.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,916.96 : 196,376.28 = 55,974 : x
  2. Step 2: Convert to fraction form
    130,916.96/196,376.28 = 55,974/x
  3. Step 3: Cross multiply
    130,916.96x = 196,376.28 × 55,974
  4. Step 4: Simplify right side
    130,916.96x = 10,991,965,896.72
  5. Step 5: Solve for x
    x = 10,991,965,896.72/130,916.96
  6. Step 6: Final answer
    x = 83,961.36

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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.