Finding the Fourth Proportional to 124,564.20, 186,846.30 and 121,283.70
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Solution
The fourth proportional to 124,564.20, 186,846.30 and 121,283.70 is: 181,925.55
Step by Step Solution
- Step 1: Write the proportion equation
124,564.20 : 186,846.30 = 121,283.70 : x - Step 2: Convert to fraction form
124,564.20/186,846.30 = 121,283.70/x - Step 3: Cross multiply
124,564.20x = 186,846.30 × 121,283.70 - Step 4: Simplify right side
124,564.20x = 22,661,410,595.31 - Step 5: Solve for x
x = 22,661,410,595.31/124,564.20 - Step 6: Final answer
x = 181,925.55
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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.