Home / 148,112.74-204,394.71-80,129.50

Finding the Fourth Proportional to 148,112.74, 204,394.71 and 80,129.50

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Solution

The fourth proportional to 148,112.74, 204,394.71 and 80,129.50 is: 110,578.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,112.74 : 204,394.71 = 80,129.50 : x
  2. Step 2: Convert to fraction form
    148,112.74/204,394.71 = 80,129.50/x
  3. Step 3: Cross multiply
    148,112.74x = 204,394.71 × 80,129.50
  4. Step 4: Simplify right side
    148,112.74x = 16,378,045,914.95
  5. Step 5: Solve for x
    x = 16,378,045,914.95/148,112.74
  6. Step 6: Final answer
    x = 110,578.24

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1.5x scale

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.