Finding the Fourth Proportional to 187,852.80, 259,246.80 and 102,973.44
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Solution
The fourth proportional to 187,852.80, 259,246.80 and 102,973.44 is: 142,108.79
Step by Step Solution
- Step 1: Write the proportion equation
187,852.80 : 259,246.80 = 102,973.44 : x - Step 2: Convert to fraction form
187,852.80/259,246.80 = 102,973.44/x - Step 3: Cross multiply
187,852.80x = 259,246.80 × 102,973.44 - Step 4: Simplify right side
187,852.80x = 26,695,534,804.99 - Step 5: Solve for x
x = 26,695,534,804.99/187,852.80 - Step 6: Final answer
x = 142,108.79
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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.