Finding the Fourth Proportional to 110,683.74, 152,742.85 and 62,937.09
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Solution
The fourth proportional to 110,683.74, 152,742.85 and 62,937.09 is: 86,852.78
Step by Step Solution
- Step 1: Write the proportion equation
110,683.74 : 152,742.85 = 62,937.09 : x - Step 2: Convert to fraction form
110,683.74/152,742.85 = 62,937.09/x - Step 3: Cross multiply
110,683.74x = 152,742.85 × 62,937.09 - Step 4: Simplify right side
110,683.74x = 9,613,190,497.31 - Step 5: Solve for x
x = 9,613,190,497.31/110,683.74 - Step 6: Final answer
x = 86,852.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.