Finding the Fourth Proportional to 110,134.25, 151,980.15 and 62,387.99
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Solution
The fourth proportional to 110,134.25, 151,980.15 and 62,387.99 is: 86,092.53
Step by Step Solution
- Step 1: Write the proportion equation
110,134.25 : 151,980.15 = 62,387.99 : x - Step 2: Convert to fraction form
110,134.25/151,980.15 = 62,387.99/x - Step 3: Cross multiply
110,134.25x = 151,980.15 × 62,387.99 - Step 4: Simplify right side
110,134.25x = 9,481,736,078.40 - Step 5: Solve for x
x = 9,481,736,078.40/110,134.25 - Step 6: Final answer
x = 86,092.53
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1.5x scale
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.