Finding the Fourth Proportional to 129,203.71, 193,820.14 and 59,064.19
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Solution
The fourth proportional to 129,203.71, 193,820.14 and 59,064.19 is: 88,602.95
Step by Step Solution
- Step 1: Write the proportion equation
129,203.71 : 193,820.14 = 59,064.19 : x - Step 2: Convert to fraction form
129,203.71/193,820.14 = 59,064.19/x - Step 3: Cross multiply
129,203.71x = 193,820.14 × 59,064.19 - Step 4: Simplify right side
129,203.71x = 11,447,829,164.07 - Step 5: Solve for x
x = 11,447,829,164.07/129,203.71 - Step 6: Final answer
x = 88,602.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.