Finding the Fourth Proportional to 118,398.24, 163,394.48 and 68,097.28
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Solution
The fourth proportional to 118,398.24, 163,394.48 and 68,097.28 is: 93,977.07
Step by Step Solution
- Step 1: Write the proportion equation
118,398.24 : 163,394.48 = 68,097.28 : x - Step 2: Convert to fraction form
118,398.24/163,394.48 = 68,097.28/x - Step 3: Cross multiply
118,398.24x = 163,394.48 × 68,097.28 - Step 4: Simplify right side
118,398.24x = 11,126,719,655.01 - Step 5: Solve for x
x = 11,126,719,655.01/118,398.24 - Step 6: Final answer
x = 93,977.07
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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.