Finding the Fourth Proportional to 124,852.16, 172,296.71 and 68,263.53
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Solution
The fourth proportional to 124,852.16, 172,296.71 and 68,263.53 is: 94,204.07
Step by Step Solution
- Step 1: Write the proportion equation
124,852.16 : 172,296.71 = 68,263.53 : x - Step 2: Convert to fraction form
124,852.16/172,296.71 = 68,263.53/x - Step 3: Cross multiply
124,852.16x = 172,296.71 × 68,263.53 - Step 4: Simplify right side
124,852.16x = 11,761,581,290.67 - Step 5: Solve for x
x = 11,761,581,290.67/124,852.16 - Step 6: Final answer
x = 94,204.07
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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.