Finding the Fourth Proportional to 106,323.40, 146,726.43 and 57,925.09
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Solution
The fourth proportional to 106,323.40, 146,726.43 and 57,925.09 is: 79,936.70
Step by Step Solution
- Step 1: Write the proportion equation
106,323.40 : 146,726.43 = 57,925.09 : x - Step 2: Convert to fraction form
106,323.40/146,726.43 = 57,925.09/x - Step 3: Cross multiply
106,323.40x = 146,726.43 × 57,925.09 - Step 4: Simplify right side
106,323.40x = 8,499,141,663.13 - Step 5: Solve for x
x = 8,499,141,663.13/106,323.40 - Step 6: Final answer
x = 79,936.70
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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.