Finding the Fourth Proportional to 134,746.17, 185,950.60 and 74,318.45
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Solution
The fourth proportional to 134,746.17, 185,950.60 and 74,318.45 is: 102,559.95
Step by Step Solution
- Step 1: Write the proportion equation
134,746.17 : 185,950.60 = 74,318.45 : x - Step 2: Convert to fraction form
134,746.17/185,950.60 = 74,318.45/x - Step 3: Cross multiply
134,746.17x = 185,950.60 × 74,318.45 - Step 4: Simplify right side
134,746.17x = 13,819,560,368.57 - Step 5: Solve for x
x = 13,819,560,368.57/134,746.17 - Step 6: Final answer
x = 102,559.95
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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.