Finding the Fourth Proportional to 176,068.48, 242,969.88 and 107,132.08
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Solution
The fourth proportional to 176,068.48, 242,969.88 and 107,132.08 is: 147,839.46
Step by Step Solution
- Step 1: Write the proportion equation
176,068.48 : 242,969.88 = 107,132.08 : x - Step 2: Convert to fraction form
176,068.48/242,969.88 = 107,132.08/x - Step 3: Cross multiply
176,068.48x = 242,969.88 × 107,132.08 - Step 4: Simplify right side
176,068.48x = 26,029,868,621.75 - Step 5: Solve for x
x = 26,029,868,621.75/176,068.48 - Step 6: Final answer
x = 147,839.46
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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.