Finding the Fourth Proportional to 125,397.63, 188,125.08 and 54,332.07
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Solution
The fourth proportional to 125,397.63, 188,125.08 and 54,332.07 is: 81,510.51
Step by Step Solution
- Step 1: Write the proportion equation
125,397.63 : 188,125.08 = 54,332.07 : x - Step 2: Convert to fraction form
125,397.63/188,125.08 = 54,332.07/x - Step 3: Cross multiply
125,397.63x = 188,125.08 × 54,332.07 - Step 4: Simplify right side
125,397.63x = 10,221,225,015.32 - Step 5: Solve for x
x = 10,221,225,015.32/125,397.63 - Step 6: Final answer
x = 81,510.51
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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.