Finding the Fourth Proportional to 107,237.57, 147,996.86 and 59,490.09
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Solution
The fourth proportional to 107,237.57, 147,996.86 and 59,490.09 is: 82,101.33
Step by Step Solution
- Step 1: Write the proportion equation
107,237.57 : 147,996.86 = 59,490.09 : x - Step 2: Convert to fraction form
107,237.57/147,996.86 = 59,490.09/x - Step 3: Cross multiply
107,237.57x = 147,996.86 × 59,490.09 - Step 4: Simplify right side
107,237.57x = 8,804,346,223.67 - Step 5: Solve for x
x = 8,804,346,223.67/107,237.57 - Step 6: Final answer
x = 82,101.33
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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.