Finding the Fourth Proportional to 113,130.09, 169,766.60 and 63,242.91
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Solution
The fourth proportional to 113,130.09, 169,766.60 and 63,242.91 is: 94,904.32
Step by Step Solution
- Step 1: Write the proportion equation
113,130.09 : 169,766.60 = 63,242.91 : x - Step 2: Convert to fraction form
113,130.09/169,766.60 = 63,242.91/x - Step 3: Cross multiply
113,130.09x = 169,766.60 × 63,242.91 - Step 4: Simplify right side
113,130.09x = 10,736,533,804.81 - Step 5: Solve for x
x = 10,736,533,804.81/113,130.09 - Step 6: Final answer
x = 94,904.32
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1.5x scale
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.