Finding the Fourth Proportional to 108,644.58, 149,926.68 and 60,901.02
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Solution
The fourth proportional to 108,644.58, 149,926.68 and 60,901.02 is: 84,041.82
Step by Step Solution
- Step 1: Write the proportion equation
108,644.58 : 149,926.68 = 60,901.02 : x - Step 2: Convert to fraction form
108,644.58/149,926.68 = 60,901.02/x - Step 3: Cross multiply
108,644.58x = 149,926.68 × 60,901.02 - Step 4: Simplify right side
108,644.58x = 9,130,687,737.21 - Step 5: Solve for x
x = 9,130,687,737.21/108,644.58 - Step 6: Final answer
x = 84,041.82
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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.