Finding the Fourth Proportional to 134,560.75, 185,693.84 and 74,944.75
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Solution
The fourth proportional to 134,560.75, 185,693.84 and 74,944.75 is: 103,423.76
Step by Step Solution
- Step 1: Write the proportion equation
134,560.75 : 185,693.84 = 74,944.75 : x - Step 2: Convert to fraction form
134,560.75/185,693.84 = 74,944.75/x - Step 3: Cross multiply
134,560.75x = 185,693.84 × 74,944.75 - Step 4: Simplify right side
134,560.75x = 13,916,778,415.34 - Step 5: Solve for x
x = 13,916,778,415.34/134,560.75 - Step 6: Final answer
x = 103,423.76
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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.