Finding the Fourth Proportional to 106,275.84, 159,318.37 and 97,030.95
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Solution
The fourth proportional to 106,275.84, 159,318.37 and 97,030.95 is: 145,459.33
Step by Step Solution
- Step 1: Write the proportion equation
106,275.84 : 159,318.37 = 97,030.95 : x - Step 2: Convert to fraction form
106,275.84/159,318.37 = 97,030.95/x - Step 3: Cross multiply
106,275.84x = 159,318.37 × 97,030.95 - Step 4: Simplify right side
106,275.84x = 15,458,812,793.55 - Step 5: Solve for x
x = 15,458,812,793.55/106,275.84 - Step 6: Final answer
x = 145,459.33
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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.