Home / 142,623.91-196,787.64-97,395.94

Finding the Fourth Proportional to 142,623.91, 196,787.64 and 97,395.94

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Solution

The fourth proportional to 142,623.91, 196,787.64 and 97,395.94 is: 134,383.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,623.91 : 196,787.64 = 97,395.94 : x
  2. Step 2: Convert to fraction form
    142,623.91/196,787.64 = 97,395.94/x
  3. Step 3: Cross multiply
    142,623.91x = 196,787.64 × 97,395.94
  4. Step 4: Simplify right side
    142,623.91x = 19,166,317,178.18
  5. Step 5: Solve for x
    x = 19,166,317,178.18/142,623.91
  6. Step 6: Final answer
    x = 134,383.62

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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.