Finding the Fourth Proportional to 124,708.84, 171,962.02 and 84,352.62
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Solution
The fourth proportional to 124,708.84, 171,962.02 and 84,352.62 is: 116,314.50
Step by Step Solution
- Step 1: Write the proportion equation
124,708.84 : 171,962.02 = 84,352.62 : x - Step 2: Convert to fraction form
124,708.84/171,962.02 = 84,352.62/x - Step 3: Cross multiply
124,708.84x = 171,962.02 × 84,352.62 - Step 4: Simplify right side
124,708.84x = 14,505,446,927.49 - Step 5: Solve for x
x = 14,505,446,927.49/124,708.84 - Step 6: Final answer
x = 116,314.50
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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.