Finding the Fourth Proportional to 113,823.78, 157,075.93 and 62,836.58
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Solution
The fourth proportional to 113,823.78, 157,075.93 and 62,836.58 is: 86,713.99
Step by Step Solution
- Step 1: Write the proportion equation
113,823.78 : 157,075.93 = 62,836.58 : x - Step 2: Convert to fraction form
113,823.78/157,075.93 = 62,836.58/x - Step 3: Cross multiply
113,823.78x = 157,075.93 × 62,836.58 - Step 4: Simplify right side
113,823.78x = 9,870,113,829.20 - Step 5: Solve for x
x = 9,870,113,829.20/113,823.78 - Step 6: Final answer
x = 86,713.99
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1.5x scale
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.