Finding the Fourth Proportional to 126,547.17, 174,638.74 and 69,962.19
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Solution
The fourth proportional to 126,547.17, 174,638.74 and 69,962.19 is: 96,549.84
Step by Step Solution
- Step 1: Write the proportion equation
126,547.17 : 174,638.74 = 69,962.19 : x - Step 2: Convert to fraction form
126,547.17/174,638.74 = 69,962.19/x - Step 3: Cross multiply
126,547.17x = 174,638.74 × 69,962.19 - Step 4: Simplify right side
126,547.17x = 12,218,109,189.73 - Step 5: Solve for x
x = 12,218,109,189.73/126,547.17 - Step 6: Final answer
x = 96,549.84
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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.