Finding the Fourth Proportional to 164,176.92, 225,985.68 and 118,781.28
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Solution
The fourth proportional to 164,176.92, 225,985.68 and 118,781.28 is: 163,499.65
Step by Step Solution
- Step 1: Write the proportion equation
164,176.92 : 225,985.68 = 118,781.28 : x - Step 2: Convert to fraction form
164,176.92/225,985.68 = 118,781.28/x - Step 3: Cross multiply
164,176.92x = 225,985.68 × 118,781.28 - Step 4: Simplify right side
164,176.92x = 26,842,868,332.07 - Step 5: Solve for x
x = 26,842,868,332.07/164,176.92 - Step 6: Final answer
x = 163,499.65
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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.