Finding the Fourth Proportional to 134,664.70, 185,838.58 and 74,237.70
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Solution
The fourth proportional to 134,664.70, 185,838.58 and 74,237.70 is: 102,448.74
Step by Step Solution
- Step 1: Write the proportion equation
134,664.70 : 185,838.58 = 74,237.70 : x - Step 2: Convert to fraction form
134,664.70/185,838.58 = 74,237.70/x - Step 3: Cross multiply
134,664.70x = 185,838.58 × 74,237.70 - Step 4: Simplify right side
134,664.70x = 13,796,228,750.47 - Step 5: Solve for x
x = 13,796,228,750.47/134,664.70 - Step 6: Final answer
x = 102,448.74
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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.