Finding the Fourth Proportional to 107,427.13, 160,352.14 and 99,510.19
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Solution
The fourth proportional to 107,427.13, 160,352.14 and 99,510.19 is: 148,534.84
Step by Step Solution
- Step 1: Write the proportion equation
107,427.13 : 160,352.14 = 99,510.19 : x - Step 2: Convert to fraction form
107,427.13/160,352.14 = 99,510.19/x - Step 3: Cross multiply
107,427.13x = 160,352.14 × 99,510.19 - Step 4: Simplify right side
107,427.13x = 15,956,671,455.23 - Step 5: Solve for x
x = 15,956,671,455.23/107,427.13 - Step 6: Final answer
x = 148,534.84
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.