Finding the Fourth Proportional to 114,355.13, 157,810.14 and 69,643.13
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Solution
The fourth proportional to 114,355.13, 157,810.14 and 69,643.13 is: 96,107.55
Step by Step Solution
- Step 1: Write the proportion equation
114,355.13 : 157,810.14 = 69,643.13 : x - Step 2: Convert to fraction form
114,355.13/157,810.14 = 69,643.13/x - Step 3: Cross multiply
114,355.13x = 157,810.14 × 69,643.13 - Step 4: Simplify right side
114,355.13x = 10,990,391,306.29 - Step 5: Solve for x
x = 10,990,391,306.29/114,355.13 - Step 6: Final answer
x = 96,107.55
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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.