Finding the Fourth Proportional to 118,746.36, 163,791.18 and 76,358.52
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Solution
The fourth proportional to 118,746.36, 163,791.18 and 76,358.52 is: 105,324.09
Step by Step Solution
- Step 1: Write the proportion equation
118,746.36 : 163,791.18 = 76,358.52 : x - Step 2: Convert to fraction form
118,746.36/163,791.18 = 76,358.52/x - Step 3: Cross multiply
118,746.36x = 163,791.18 × 76,358.52 - Step 4: Simplify right side
118,746.36x = 12,506,852,093.85 - Step 5: Solve for x
x = 12,506,852,093.85/118,746.36 - Step 6: Final answer
x = 105,324.09
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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.