Finding the Fourth Proportional to 105,642.18, 158,106.06 and 102,799.08
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Solution
The fourth proportional to 105,642.18, 158,106.06 and 102,799.08 is: 153,851.02
Step by Step Solution
- Step 1: Write the proportion equation
105,642.18 : 158,106.06 = 102,799.08 : x - Step 2: Convert to fraction form
105,642.18/158,106.06 = 102,799.08/x - Step 3: Cross multiply
105,642.18x = 158,106.06 × 102,799.08 - Step 4: Simplify right side
105,642.18x = 16,253,157,510.42 - Step 5: Solve for x
x = 16,253,157,510.42/105,642.18 - Step 6: Final answer
x = 153,851.02
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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.