Home / 148,389.05-204,787.28-83,864.25

Finding the Fourth Proportional to 148,389.05, 204,787.28 and 83,864.25

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Solution

The fourth proportional to 148,389.05, 204,787.28 and 83,864.25 is: 115,738.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,389.05 : 204,787.28 = 83,864.25 : x
  2. Step 2: Convert to fraction form
    148,389.05/204,787.28 = 83,864.25/x
  3. Step 3: Cross multiply
    148,389.05x = 204,787.28 × 83,864.25
  4. Step 4: Simplify right side
    148,389.05x = 17,174,331,856.40
  5. Step 5: Solve for x
    x = 17,174,331,856.40/148,389.05
  6. Step 6: Final answer
    x = 115,738.54

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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.