Finding the Fourth Proportional to 119,040.18, 164,280.19 and 65,327.12
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Solution
The fourth proportional to 119,040.18, 164,280.19 and 65,327.12 is: 90,154.02
Step by Step Solution
- Step 1: Write the proportion equation
119,040.18 : 164,280.19 = 65,327.12 : x - Step 2: Convert to fraction form
119,040.18/164,280.19 = 65,327.12/x - Step 3: Cross multiply
119,040.18x = 164,280.19 × 65,327.12 - Step 4: Simplify right side
119,040.18x = 10,731,950,948.42 - Step 5: Solve for x
x = 10,731,950,948.42/119,040.18 - Step 6: Final answer
x = 90,154.02
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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.