Finding the Fourth Proportional to 114,143.01, 157,420.71 and 68,811.06
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Solution
The fourth proportional to 114,143.01, 157,420.71 and 68,811.06 is: 94,901.00
Step by Step Solution
- Step 1: Write the proportion equation
114,143.01 : 157,420.71 = 68,811.06 : x - Step 2: Convert to fraction form
114,143.01/157,420.71 = 68,811.06/x - Step 3: Cross multiply
114,143.01x = 157,420.71 × 68,811.06 - Step 4: Simplify right side
114,143.01x = 10,832,285,921.05 - Step 5: Solve for x
x = 10,832,285,921.05/114,143.01 - Step 6: Final answer
x = 94,901.00
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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.