Home / 148,578.48-205,038-84,951.36

Finding the Fourth Proportional to 148,578.48, 205,038 and 84,951.36

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Solution

The fourth proportional to 148,578.48, 205,038 and 84,951.36 is: 117,232.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,578.48 : 205,038 = 84,951.36 : x
  2. Step 2: Convert to fraction form
    148,578.48/205,038 = 84,951.36/x
  3. Step 3: Cross multiply
    148,578.48x = 205,038 × 84,951.36
  4. Step 4: Simplify right side
    148,578.48x = 17,418,256,951.68
  5. Step 5: Solve for x
    x = 17,418,256,951.68/148,578.48
  6. Step 6: Final answer
    x = 117,232.70

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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.