Finding the Fourth Proportional to 176,129.08, 243,059.51 and 103,512.47
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Solution
The fourth proportional to 176,129.08, 243,059.51 and 103,512.47 is: 142,848.02
Step by Step Solution
- Step 1: Write the proportion equation
176,129.08 : 243,059.51 = 103,512.47 : x - Step 2: Convert to fraction form
176,129.08/243,059.51 = 103,512.47/x - Step 3: Cross multiply
176,129.08x = 243,059.51 × 103,512.47 - Step 4: Simplify right side
176,129.08x = 25,159,690,327.18 - Step 5: Solve for x
x = 25,159,690,327.18/176,129.08 - Step 6: Final answer
x = 142,848.02
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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.