Finding the Fourth Proportional to 106,831.23, 160,115.62 and 59,985.69
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Solution
The fourth proportional to 106,831.23, 160,115.62 and 59,985.69 is: 89,904.85
Step by Step Solution
- Step 1: Write the proportion equation
106,831.23 : 160,115.62 = 59,985.69 : x - Step 2: Convert to fraction form
106,831.23/160,115.62 = 59,985.69/x - Step 3: Cross multiply
106,831.23x = 160,115.62 × 59,985.69 - Step 4: Simplify right side
106,831.23x = 9,604,645,945.48 - Step 5: Solve for x
x = 9,604,645,945.48/106,831.23 - Step 6: Final answer
x = 89,904.85
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1.5x scale
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.