Finding the Fourth Proportional to 113,963.14, 157,267.20 and 62,975.80
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Solution
The fourth proportional to 113,963.14, 157,267.20 and 62,975.80 is: 86,905.54
Step by Step Solution
- Step 1: Write the proportion equation
113,963.14 : 157,267.20 = 62,975.80 : x - Step 2: Convert to fraction form
113,963.14/157,267.20 = 62,975.80/x - Step 3: Cross multiply
113,963.14x = 157,267.20 × 62,975.80 - Step 4: Simplify right side
113,963.14x = 9,904,027,733.76 - Step 5: Solve for x
x = 9,904,027,733.76/113,963.14 - Step 6: Final answer
x = 86,905.54
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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.