Finding the Fourth Proportional to 160,737.48, 221,816.68 and 89,117.48
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Solution
The fourth proportional to 160,737.48, 221,816.68 and 89,117.48 is: 122,981.55
Step by Step Solution
- Step 1: Write the proportion equation
160,737.48 : 221,816.68 = 89,117.48 : x - Step 2: Convert to fraction form
160,737.48/221,816.68 = 89,117.48/x - Step 3: Cross multiply
160,737.48x = 221,816.68 × 89,117.48 - Step 4: Simplify right side
160,737.48x = 19,767,743,875.31 - Step 5: Solve for x
x = 19,767,743,875.31/160,737.48 - Step 6: Final answer
x = 122,981.55
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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.