Home / 146,910.74-202,782.96-83,290.91

Finding the Fourth Proportional to 146,910.74, 202,782.96 and 83,290.91

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Solution

The fourth proportional to 146,910.74, 202,782.96 and 83,290.91 is: 114,967.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,910.74 : 202,782.96 = 83,290.91 : x
  2. Step 2: Convert to fraction form
    146,910.74/202,782.96 = 83,290.91/x
  3. Step 3: Cross multiply
    146,910.74x = 202,782.96 × 83,290.91
  4. Step 4: Simplify right side
    146,910.74x = 16,889,976,256.98
  5. Step 5: Solve for x
    x = 16,889,976,256.98/146,910.74
  6. Step 6: Final answer
    x = 114,967.61

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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.