Finding the Fourth Proportional to 147,340.06, 203,275.91 and 96,381.81
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Solution
The fourth proportional to 147,340.06, 203,275.91 and 96,381.81 is: 132,971.99
Step by Step Solution
- Step 1: Write the proportion equation
147,340.06 : 203,275.91 = 96,381.81 : x - Step 2: Convert to fraction form
147,340.06/203,275.91 = 96,381.81/x - Step 3: Cross multiply
147,340.06x = 203,275.91 × 96,381.81 - Step 4: Simplify right side
147,340.06x = 19,592,100,376.15 - Step 5: Solve for x
x = 19,592,100,376.15/147,340.06 - Step 6: Final answer
x = 132,971.99
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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.