Finding the Fourth Proportional to 157,202.91, 216,994.68 and 93,539.34
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Solution
The fourth proportional to 157,202.91, 216,994.68 and 93,539.34 is: 129,116.82
Step by Step Solution
- Step 1: Write the proportion equation
157,202.91 : 216,994.68 = 93,539.34 : x - Step 2: Convert to fraction form
157,202.91/216,994.68 = 93,539.34/x - Step 3: Cross multiply
157,202.91x = 216,994.68 × 93,539.34 - Step 4: Simplify right side
157,202.91x = 20,297,539,150.71 - Step 5: Solve for x
x = 20,297,539,150.71/157,202.91 - Step 6: Final answer
x = 129,116.82
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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.