Finding the Fourth Proportional to 125,972.31, 188,962.11 and 32,478.06
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Solution
The fourth proportional to 125,972.31, 188,962.11 and 32,478.06 is: 48,718.03
Step by Step Solution
- Step 1: Write the proportion equation
125,972.31 : 188,962.11 = 32,478.06 : x - Step 2: Convert to fraction form
125,972.31/188,962.11 = 32,478.06/x - Step 3: Cross multiply
125,972.31x = 188,962.11 × 32,478.06 - Step 4: Simplify right side
125,972.31x = 6,137,122,746.31 - Step 5: Solve for x
x = 6,137,122,746.31/125,972.31 - Step 6: Final answer
x = 48,718.03
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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.