Finding the Fourth Proportional to 113,312.73, 170,643.64 and 98,698.17
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Solution
The fourth proportional to 113,312.73, 170,643.64 and 98,698.17 is: 148,634.80
Step by Step Solution
- Step 1: Write the proportion equation
113,312.73 : 170,643.64 = 98,698.17 : x - Step 2: Convert to fraction form
113,312.73/170,643.64 = 98,698.17/x - Step 3: Cross multiply
113,312.73x = 170,643.64 × 98,698.17 - Step 4: Simplify right side
113,312.73x = 16,842,214,990.14 - Step 5: Solve for x
x = 16,842,214,990.14/113,312.73 - Step 6: Final answer
x = 148,634.80
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.