Finding the Fourth Proportional to 125,153.62, 172,712.62 and 68,565.02
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Solution
The fourth proportional to 125,153.62, 172,712.62 and 68,565.02 is: 94,620.07
Step by Step Solution
- Step 1: Write the proportion equation
125,153.62 : 172,712.62 = 68,565.02 : x - Step 2: Convert to fraction form
125,153.62/172,712.62 = 68,565.02/x - Step 3: Cross multiply
125,153.62x = 172,712.62 × 68,565.02 - Step 4: Simplify right side
125,153.62x = 11,842,044,244.55 - Step 5: Solve for x
x = 11,842,044,244.55/125,153.62 - Step 6: Final answer
x = 94,620.07
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.