Finding the Fourth Proportional to 121,614.56, 167,884.98 and 70,617.36
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Solution
The fourth proportional to 121,614.56, 167,884.98 and 70,617.36 is: 97,484.99
Step by Step Solution
- Step 1: Write the proportion equation
121,614.56 : 167,884.98 = 70,617.36 : x - Step 2: Convert to fraction form
121,614.56/167,884.98 = 70,617.36/x - Step 3: Cross multiply
121,614.56x = 167,884.98 × 70,617.36 - Step 4: Simplify right side
121,614.56x = 11,855,594,071.25 - Step 5: Solve for x
x = 11,855,594,071.25/121,614.56 - Step 6: Final answer
x = 97,484.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.