Finding the Fourth Proportional to 134,774.55, 185,986.56 and 74,350.98
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Solution
The fourth proportional to 134,774.55, 185,986.56 and 74,350.98 is: 102,603.07
Step by Step Solution
- Step 1: Write the proportion equation
134,774.55 : 185,986.56 = 74,350.98 : x - Step 2: Convert to fraction form
134,774.55/185,986.56 = 74,350.98/x - Step 3: Cross multiply
134,774.55x = 185,986.56 × 74,350.98 - Step 4: Simplify right side
134,774.55x = 13,828,282,072.90 - Step 5: Solve for x
x = 13,828,282,072.90/134,774.55 - Step 6: Final answer
x = 102,603.07
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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.