Finding the Fourth Proportional to 124,102.68, 171,261.14 and 67,515.26
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Solution
The fourth proportional to 124,102.68, 171,261.14 and 67,515.26 is: 93,170.76
Step by Step Solution
- Step 1: Write the proportion equation
124,102.68 : 171,261.14 = 67,515.26 : x - Step 2: Convert to fraction form
124,102.68/171,261.14 = 67,515.26/x - Step 3: Cross multiply
124,102.68x = 171,261.14 × 67,515.26 - Step 4: Simplify right side
124,102.68x = 11,562,740,395.00 - Step 5: Solve for x
x = 11,562,740,395.00/124,102.68 - Step 6: Final answer
x = 93,170.76
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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.