Home / 148,702.36-205,221.48-85,052.44

Finding the Fourth Proportional to 148,702.36, 205,221.48 and 85,052.44

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Solution

The fourth proportional to 148,702.36, 205,221.48 and 85,052.44 is: 117,379.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,702.36 : 205,221.48 = 85,052.44 : x
  2. Step 2: Convert to fraction form
    148,702.36/205,221.48 = 85,052.44/x
  3. Step 3: Cross multiply
    148,702.36x = 205,221.48 × 85,052.44
  4. Step 4: Simplify right side
    148,702.36x = 17,454,587,614.41
  5. Step 5: Solve for x
    x = 17,454,587,614.41/148,702.36
  6. Step 6: Final answer
    x = 117,379.36

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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.