Finding the Fourth Proportional to 126,169.19, 174,113.64 and 68,808.63
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Solution
The fourth proportional to 126,169.19, 174,113.64 and 68,808.63 is: 94,956.00
Step by Step Solution
- Step 1: Write the proportion equation
126,169.19 : 174,113.64 = 68,808.63 : x - Step 2: Convert to fraction form
126,169.19/174,113.64 = 68,808.63/x - Step 3: Cross multiply
126,169.19x = 174,113.64 × 68,808.63 - Step 4: Simplify right side
126,169.19x = 11,980,521,032.71 - Step 5: Solve for x
x = 11,980,521,032.71/126,169.19 - Step 6: Final answer
x = 94,956.00
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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.