Finding the Fourth Proportional to 119,011.52, 164,246.52 and 65,306.99
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Solution
The fourth proportional to 119,011.52, 164,246.52 and 65,306.99 is: 90,129.47
Step by Step Solution
- Step 1: Write the proportion equation
119,011.52 : 164,246.52 = 65,306.99 : x - Step 2: Convert to fraction form
119,011.52/164,246.52 = 65,306.99/x - Step 3: Cross multiply
119,011.52x = 164,246.52 × 65,306.99 - Step 4: Simplify right side
119,011.52x = 10,726,445,017.94 - Step 5: Solve for x
x = 10,726,445,017.94/119,011.52 - Step 6: Final answer
x = 90,129.47
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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.