Finding the Fourth Proportional to 158,805.76, 238,125.12 and 83,966.08
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Solution
The fourth proportional to 158,805.76, 238,125.12 and 83,966.08 is: 125,904.96
Step by Step Solution
- Step 1: Write the proportion equation
158,805.76 : 238,125.12 = 83,966.08 : x - Step 2: Convert to fraction form
158,805.76/238,125.12 = 83,966.08/x - Step 3: Cross multiply
158,805.76x = 238,125.12 × 83,966.08 - Step 4: Simplify right side
158,805.76x = 19,994,432,875.93 - Step 5: Solve for x
x = 19,994,432,875.93/158,805.76 - Step 6: Final answer
x = 125,904.96
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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.