Finding the Fourth Proportional to 137,888.95, 206,877.99 and 67,719.05
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Solution
The fourth proportional to 137,888.95, 206,877.99 and 67,719.05 is: 101,600.46
Step by Step Solution
- Step 1: Write the proportion equation
137,888.95 : 206,877.99 = 67,719.05 : x - Step 2: Convert to fraction form
137,888.95/206,877.99 = 67,719.05/x - Step 3: Cross multiply
137,888.95x = 206,877.99 × 67,719.05 - Step 4: Simplify right side
137,888.95x = 14,009,580,948.71 - Step 5: Solve for x
x = 14,009,580,948.71/137,888.95 - Step 6: Final answer
x = 101,600.46
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.