Finding the Fourth Proportional to 134,962.67, 186,247.86 and 74,533.05
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Solution
The fourth proportional to 134,962.67, 186,247.86 and 74,533.05 is: 102,855.26
Step by Step Solution
- Step 1: Write the proportion equation
134,962.67 : 186,247.86 = 74,533.05 : x - Step 2: Convert to fraction form
134,962.67/186,247.86 = 74,533.05/x - Step 3: Cross multiply
134,962.67x = 186,247.86 × 74,533.05 - Step 4: Simplify right side
134,962.67x = 13,881,621,061.77 - Step 5: Solve for x
x = 13,881,621,061.77/134,962.67 - Step 6: Final answer
x = 102,855.26
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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.