Finding the Fourth Proportional to 94,831.30, 142,246.95 and 68,719.30
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Solution
The fourth proportional to 94,831.30, 142,246.95 and 68,719.30 is: 103,078.95
Step by Step Solution
- Step 1: Write the proportion equation
94,831.30 : 142,246.95 = 68,719.30 : x - Step 2: Convert to fraction form
94,831.30/142,246.95 = 68,719.30/x - Step 3: Cross multiply
94,831.30x = 142,246.95 × 68,719.30 - Step 4: Simplify right side
94,831.30x = 9,775,110,831.14 - Step 5: Solve for x
x = 9,775,110,831.14/94,831.30 - Step 6: Final answer
x = 103,078.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.