Finding the Fourth Proportional to 134,779.99, 185,993.40 and 74,350.68
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Solution
The fourth proportional to 134,779.99, 185,993.40 and 74,350.68 is: 102,602.29
Step by Step Solution
- Step 1: Write the proportion equation
134,779.99 : 185,993.40 = 74,350.68 : x - Step 2: Convert to fraction form
134,779.99/185,993.40 = 74,350.68/x - Step 3: Cross multiply
134,779.99x = 185,993.40 × 74,350.68 - Step 4: Simplify right side
134,779.99x = 13,828,735,765.51 - Step 5: Solve for x
x = 13,828,735,765.51/134,779.99 - Step 6: Final answer
x = 102,602.29
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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.