Finding the Fourth Proportional to 126,948.34, 190,397.80 and 48,068.74
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Solution
The fourth proportional to 126,948.34, 190,397.80 and 48,068.74 is: 72,093.75
Step by Step Solution
- Step 1: Write the proportion equation
126,948.34 : 190,397.80 = 48,068.74 : x - Step 2: Convert to fraction form
126,948.34/190,397.80 = 48,068.74/x - Step 3: Cross multiply
126,948.34x = 190,397.80 × 48,068.74 - Step 4: Simplify right side
126,948.34x = 9,152,181,152.44 - Step 5: Solve for x
x = 9,152,181,152.44/126,948.34 - Step 6: Final answer
x = 72,093.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.