Finding the Fourth Proportional to 135,352.83, 186,788.56 and 74,929.06
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Solution
The fourth proportional to 135,352.83, 186,788.56 and 74,929.06 is: 103,403.02
Step by Step Solution
- Step 1: Write the proportion equation
135,352.83 : 186,788.56 = 74,929.06 : x - Step 2: Convert to fraction form
135,352.83/186,788.56 = 74,929.06/x - Step 3: Cross multiply
135,352.83x = 186,788.56 × 74,929.06 - Step 4: Simplify right side
135,352.83x = 13,995,891,219.55 - Step 5: Solve for x
x = 13,995,891,219.55/135,352.83 - Step 6: Final answer
x = 103,403.02
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.