Finding the Fourth Proportional to 127,975.70, 191,963.55 and 124,519.70
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Solution
The fourth proportional to 127,975.70, 191,963.55 and 124,519.70 is: 186,779.55
Step by Step Solution
- Step 1: Write the proportion equation
127,975.70 : 191,963.55 = 124,519.70 : x - Step 2: Convert to fraction form
127,975.70/191,963.55 = 124,519.70/x - Step 3: Cross multiply
127,975.70x = 191,963.55 × 124,519.70 - Step 4: Simplify right side
127,975.70x = 23,903,243,656.94 - Step 5: Solve for x
x = 23,903,243,656.94/127,975.70 - Step 6: Final answer
x = 186,779.55
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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.