Finding the Fourth Proportional to 113,945.70, 157,248.24 and 62,961.70
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Solution
The fourth proportional to 113,945.70, 157,248.24 and 62,961.70 is: 86,888.90
Step by Step Solution
- Step 1: Write the proportion equation
113,945.70 : 157,248.24 = 62,961.70 : x - Step 2: Convert to fraction form
113,945.70/157,248.24 = 62,961.70/x - Step 3: Cross multiply
113,945.70x = 157,248.24 × 62,961.70 - Step 4: Simplify right side
113,945.70x = 9,900,616,512.41 - Step 5: Solve for x
x = 9,900,616,512.41/113,945.70 - Step 6: Final answer
x = 86,888.90
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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.