Finding the Fourth Proportional to 187,852.55, 259,246.46 and 102,973.19
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Solution
The fourth proportional to 187,852.55, 259,246.46 and 102,973.19 is: 142,108.45
Step by Step Solution
- Step 1: Write the proportion equation
187,852.55 : 259,246.46 = 102,973.19 : x - Step 2: Convert to fraction form
187,852.55/259,246.46 = 102,973.19/x - Step 3: Cross multiply
187,852.55x = 259,246.46 × 102,973.19 - Step 4: Simplify right side
187,852.55x = 26,695,434,467.54 - Step 5: Solve for x
x = 26,695,434,467.54/187,852.55 - Step 6: Final answer
x = 142,108.45
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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.