Finding the Fourth Proportional to 155,125.10, 214,095.81 and 94,730.75
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Solution
The fourth proportional to 155,125.10, 214,095.81 and 94,730.75 is: 130,742.59
Step by Step Solution
- Step 1: Write the proportion equation
155,125.10 : 214,095.81 = 94,730.75 : x - Step 2: Convert to fraction form
155,125.10/214,095.81 = 94,730.75/x - Step 3: Cross multiply
155,125.10x = 214,095.81 × 94,730.75 - Step 4: Simplify right side
155,125.10x = 20,281,456,653.16 - Step 5: Solve for x
x = 20,281,456,653.16/155,125.10 - Step 6: Final answer
x = 130,742.59
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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.