Finding the Fourth Proportional to 107,483.99, 148,330.96 and 62,157.65
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Solution
The fourth proportional to 107,483.99, 148,330.96 and 62,157.65 is: 85,779.32
Step by Step Solution
- Step 1: Write the proportion equation
107,483.99 : 148,330.96 = 62,157.65 : x - Step 2: Convert to fraction form
107,483.99/148,330.96 = 62,157.65/x - Step 3: Cross multiply
107,483.99x = 148,330.96 × 62,157.65 - Step 4: Simplify right side
107,483.99x = 9,219,902,998.80 - Step 5: Solve for x
x = 9,219,902,998.80/107,483.99 - Step 6: Final answer
x = 85,779.32
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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.