Finding the Fourth Proportional to 124,011.44, 170,846.48 and 86,220.08
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Solution
The fourth proportional to 124,011.44, 170,846.48 and 86,220.08 is: 118,782.57
Step by Step Solution
- Step 1: Write the proportion equation
124,011.44 : 170,846.48 = 86,220.08 : x - Step 2: Convert to fraction form
124,011.44/170,846.48 = 86,220.08/x - Step 3: Cross multiply
124,011.44x = 170,846.48 × 86,220.08 - Step 4: Simplify right side
124,011.44x = 14,730,397,173.32 - Step 5: Solve for x
x = 14,730,397,173.32/124,011.44 - Step 6: Final answer
x = 118,782.57
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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.