Home / 146,642.93-202,365.67-82,112.76

Finding the Fourth Proportional to 146,642.93, 202,365.67 and 82,112.76

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Solution

The fourth proportional to 146,642.93, 202,365.67 and 82,112.76 is: 113,314.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,642.93 : 202,365.67 = 82,112.76 : x
  2. Step 2: Convert to fraction form
    146,642.93/202,365.67 = 82,112.76/x
  3. Step 3: Cross multiply
    146,642.93x = 202,365.67 × 82,112.76
  4. Step 4: Simplify right side
    146,642.93x = 16,616,803,692.95
  5. Step 5: Solve for x
    x = 16,616,803,692.95/146,642.93
  6. Step 6: Final answer
    x = 113,314.73

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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.