Finding the Fourth Proportional to 161,374.74, 222,681.54 and 93,378.15
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Solution
The fourth proportional to 161,374.74, 222,681.54 and 93,378.15 is: 128,852.82
Step by Step Solution
- Step 1: Write the proportion equation
161,374.74 : 222,681.54 = 93,378.15 : x - Step 2: Convert to fraction form
161,374.74/222,681.54 = 93,378.15/x - Step 3: Cross multiply
161,374.74x = 222,681.54 × 93,378.15 - Step 4: Simplify right side
161,374.74x = 20,793,590,244.35 - Step 5: Solve for x
x = 20,793,590,244.35/161,374.74 - Step 6: Final answer
x = 128,852.82
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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.