Finding the Fourth Proportional to 124,252.97, 171,458.99 and 69,802.18
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Solution
The fourth proportional to 124,252.97, 171,458.99 and 69,802.18 is: 96,321.33
Step by Step Solution
- Step 1: Write the proportion equation
124,252.97 : 171,458.99 = 69,802.18 : x - Step 2: Convert to fraction form
124,252.97/171,458.99 = 69,802.18/x - Step 3: Cross multiply
124,252.97x = 171,458.99 × 69,802.18 - Step 4: Simplify right side
124,252.97x = 11,968,210,933.59 - Step 5: Solve for x
x = 11,968,210,933.59/124,252.97 - Step 6: Final answer
x = 96,321.33
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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.