Finding the Fourth Proportional to 114,277.52, 157,555.80 and 73,920.08
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Solution
The fourth proportional to 114,277.52, 157,555.80 and 73,920.08 is: 101,914.51
Step by Step Solution
- Step 1: Write the proportion equation
114,277.52 : 157,555.80 = 73,920.08 : x - Step 2: Convert to fraction form
114,277.52/157,555.80 = 73,920.08/x - Step 3: Cross multiply
114,277.52x = 157,555.80 × 73,920.08 - Step 4: Simplify right side
114,277.52x = 11,646,537,340.46 - Step 5: Solve for x
x = 11,646,537,340.46/114,277.52 - Step 6: Final answer
x = 101,914.51
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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.