Finding the Fourth Proportional to 135,326.08, 186,750.35 and 74,900.89
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Solution
The fourth proportional to 135,326.08, 186,750.35 and 74,900.89 is: 103,363.43
Step by Step Solution
- Step 1: Write the proportion equation
135,326.08 : 186,750.35 = 74,900.89 : x - Step 2: Convert to fraction form
135,326.08/186,750.35 = 74,900.89/x - Step 3: Cross multiply
135,326.08x = 186,750.35 × 74,900.89 - Step 4: Simplify right side
135,326.08x = 13,987,767,422.81 - Step 5: Solve for x
x = 13,987,767,422.81/135,326.08 - Step 6: Final answer
x = 103,363.43
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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.