Finding the Fourth Proportional to 145,930.06, 201,368.73 and 107,710.48
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Solution
The fourth proportional to 145,930.06, 201,368.73 and 107,710.48 is: 148,629.57
Step by Step Solution
- Step 1: Write the proportion equation
145,930.06 : 201,368.73 = 107,710.48 : x - Step 2: Convert to fraction form
145,930.06/201,368.73 = 107,710.48/x - Step 3: Cross multiply
145,930.06x = 201,368.73 × 107,710.48 - Step 4: Simplify right side
145,930.06x = 21,689,522,565.29 - Step 5: Solve for x
x = 21,689,522,565.29/145,930.06 - Step 6: Final answer
x = 148,629.57
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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.