Finding the Fourth Proportional to 109,663.01, 164,727.57 and 103,263.99
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Solution
The fourth proportional to 109,663.01, 164,727.57 and 103,263.99 is: 155,115.44
Step by Step Solution
- Step 1: Write the proportion equation
109,663.01 : 164,727.57 = 103,263.99 : x - Step 2: Convert to fraction form
109,663.01/164,727.57 = 103,263.99/x - Step 3: Cross multiply
109,663.01x = 164,727.57 × 103,263.99 - Step 4: Simplify right side
109,663.01x = 17,010,426,374.01 - Step 5: Solve for x
x = 17,010,426,374.01/109,663.01 - Step 6: Final answer
x = 155,115.44
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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.