Finding the Fourth Proportional to 102,841.70, 154,262.55 and 97,009.70
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Solution
The fourth proportional to 102,841.70, 154,262.55 and 97,009.70 is: 145,514.55
Step by Step Solution
- Step 1: Write the proportion equation
102,841.70 : 154,262.55 = 97,009.70 : x - Step 2: Convert to fraction form
102,841.70/154,262.55 = 97,009.70/x - Step 3: Cross multiply
102,841.70x = 154,262.55 × 97,009.70 - Step 4: Simplify right side
102,841.70x = 14,964,963,696.74 - Step 5: Solve for x
x = 14,964,963,696.74/102,841.70 - Step 6: Final answer
x = 145,514.55
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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.