Finding the Fourth Proportional to 135,873.12, 202,894.70 and 110,962.59
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Solution
The fourth proportional to 135,873.12, 202,894.70 and 110,962.59 is: 165,696.65
Step by Step Solution
- Step 1: Write the proportion equation
135,873.12 : 202,894.70 = 110,962.59 : x - Step 2: Convert to fraction form
135,873.12/202,894.70 = 110,962.59/x - Step 3: Cross multiply
135,873.12x = 202,894.70 × 110,962.59 - Step 4: Simplify right side
135,873.12x = 22,513,721,409.27 - Step 5: Solve for x
x = 22,513,721,409.27/135,873.12 - Step 6: Final answer
x = 165,696.65
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.