Finding the Fourth Proportional to 102,117.21, 153,155.56 and 97,053.81
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Solution
The fourth proportional to 102,117.21, 153,155.56 and 97,053.81 is: 145,561.46
Step by Step Solution
- Step 1: Write the proportion equation
102,117.21 : 153,155.56 = 97,053.81 : x - Step 2: Convert to fraction form
102,117.21/153,155.56 = 97,053.81/x - Step 3: Cross multiply
102,117.21x = 153,155.56 × 97,053.81 - Step 4: Simplify right side
102,117.21x = 14,864,330,135.41 - Step 5: Solve for x
x = 14,864,330,135.41/102,117.21 - Step 6: Final answer
x = 145,561.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.