Finding the Fourth Proportional to 113,863.59, 157,128.93 and 62,875.44
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Solution
The fourth proportional to 113,863.59, 157,128.93 and 62,875.44 is: 86,766.55
Step by Step Solution
- Step 1: Write the proportion equation
113,863.59 : 157,128.93 = 62,875.44 : x - Step 2: Convert to fraction form
113,863.59/157,128.93 = 62,875.44/x - Step 3: Cross multiply
113,863.59x = 157,128.93 × 62,875.44 - Step 4: Simplify right side
113,863.59x = 9,879,550,610.48 - Step 5: Solve for x
x = 9,879,550,610.48/113,863.59 - Step 6: Final answer
x = 86,766.55
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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.