Finding the Fourth Proportional to 127,868.19, 176,533.71 and 113,681.79
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Solution
The fourth proportional to 127,868.19, 176,533.71 and 113,681.79 is: 156,948.09
Step by Step Solution
- Step 1: Write the proportion equation
127,868.19 : 176,533.71 = 113,681.79 : x - Step 2: Convert to fraction form
127,868.19/176,533.71 = 113,681.79/x - Step 3: Cross multiply
127,868.19x = 176,533.71 × 113,681.79 - Step 4: Simplify right side
127,868.19x = 20,068,668,148.14 - Step 5: Solve for x
x = 20,068,668,148.14/127,868.19 - Step 6: Final answer
x = 156,948.09
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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.