Finding the Fourth Proportional to 118,315.79, 176,934.64 and 88,351.07
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Solution
The fourth proportional to 118,315.79, 176,934.64 and 88,351.07 is: 132,124.08
Step by Step Solution
- Step 1: Write the proportion equation
118,315.79 : 176,934.64 = 88,351.07 : x - Step 2: Convert to fraction form
118,315.79/176,934.64 = 88,351.07/x - Step 3: Cross multiply
118,315.79x = 176,934.64 × 88,351.07 - Step 4: Simplify right side
118,315.79x = 15,632,364,764.06 - Step 5: Solve for x
x = 15,632,364,764.06/118,315.79 - Step 6: Final answer
x = 132,124.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.