Finding the Fourth Proportional to 93,415.11, 140,122.81 and 74,813.46
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Solution
The fourth proportional to 93,415.11, 140,122.81 and 74,813.46 is: 112,220.31
Step by Step Solution
- Step 1: Write the proportion equation
93,415.11 : 140,122.81 = 74,813.46 : x - Step 2: Convert to fraction form
93,415.11/140,122.81 = 74,813.46/x - Step 3: Cross multiply
93,415.11x = 140,122.81 × 74,813.46 - Step 4: Simplify right side
93,415.11x = 10,483,071,809.08 - Step 5: Solve for x
x = 10,483,071,809.08/93,415.11 - Step 6: Final answer
x = 112,220.31
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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.