Finding the Fourth Proportional to 113,923.79, 157,224.04 and 62,940.99
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Solution
The fourth proportional to 113,923.79, 157,224.04 and 62,940.99 is: 86,863.65
Step by Step Solution
- Step 1: Write the proportion equation
113,923.79 : 157,224.04 = 62,940.99 : x - Step 2: Convert to fraction form
113,923.79/157,224.04 = 62,940.99/x - Step 3: Cross multiply
113,923.79x = 157,224.04 × 62,940.99 - Step 4: Simplify right side
113,923.79x = 9,895,836,056.16 - Step 5: Solve for x
x = 9,895,836,056.16/113,923.79 - Step 6: Final answer
x = 86,863.65
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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.