Finding the Fourth Proportional to 142,875.70, 214,041.36 and 88,754.74
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Solution
The fourth proportional to 142,875.70, 214,041.36 and 88,754.74 is: 132,963.02
Step by Step Solution
- Step 1: Write the proportion equation
142,875.70 : 214,041.36 = 88,754.74 : x - Step 2: Convert to fraction form
142,875.70/214,041.36 = 88,754.74/x - Step 3: Cross multiply
142,875.70x = 214,041.36 × 88,754.74 - Step 4: Simplify right side
142,875.70x = 18,997,185,256.05 - Step 5: Solve for x
x = 18,997,185,256.05/142,875.70 - Step 6: Final answer
x = 132,963.02
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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.