Home / 148,520.40-204,939.27-84,862.32

Finding the Fourth Proportional to 148,520.40, 204,939.27 and 84,862.32

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Solution

The fourth proportional to 148,520.40, 204,939.27 and 84,862.32 is: 117,099.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,520.40 : 204,939.27 = 84,862.32 : x
  2. Step 2: Convert to fraction form
    148,520.40/204,939.27 = 84,862.32/x
  3. Step 3: Cross multiply
    148,520.40x = 204,939.27 × 84,862.32
  4. Step 4: Simplify right side
    148,520.40x = 17,391,621,911.31
  5. Step 5: Solve for x
    x = 17,391,621,911.31/148,520.40
  6. Step 6: Final answer
    x = 117,099.21

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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.