Finding the Fourth Proportional to 122,335.53, 168,737.66 and 118,220.63
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Solution
The fourth proportional to 122,335.53, 168,737.66 and 118,220.63 is: 163,061.96
Step by Step Solution
- Step 1: Write the proportion equation
122,335.53 : 168,737.66 = 118,220.63 : x - Step 2: Convert to fraction form
122,335.53/168,737.66 = 118,220.63/x - Step 3: Cross multiply
122,335.53x = 168,737.66 × 118,220.63 - Step 4: Simplify right side
122,335.53x = 19,948,271,035.13 - Step 5: Solve for x
x = 19,948,271,035.13/122,335.53 - Step 6: Final answer
x = 163,061.96
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1.5x scale
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.