Finding the Fourth Proportional to 114,299.16, 157,719.36 and 65,900.55
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Solution
The fourth proportional to 114,299.16, 157,719.36 and 65,900.55 is: 90,934.99
Step by Step Solution
- Step 1: Write the proportion equation
114,299.16 : 157,719.36 = 65,900.55 : x - Step 2: Convert to fraction form
114,299.16/157,719.36 = 65,900.55/x - Step 3: Cross multiply
114,299.16x = 157,719.36 × 65,900.55 - Step 4: Simplify right side
114,299.16x = 10,393,792,569.65 - Step 5: Solve for x
x = 10,393,792,569.65/114,299.16 - Step 6: Final answer
x = 90,934.99
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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.