Finding the Fourth Proportional to 163,750.80, 245,496.60 and 89,878.80
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Solution
The fourth proportional to 163,750.80, 245,496.60 and 89,878.80 is: 134,747.07
Step by Step Solution
- Step 1: Write the proportion equation
163,750.80 : 245,496.60 = 89,878.80 : x - Step 2: Convert to fraction form
163,750.80/245,496.60 = 89,878.80/x - Step 3: Cross multiply
163,750.80x = 245,496.60 × 89,878.80 - Step 4: Simplify right side
163,750.80x = 22,064,939,812.08 - Step 5: Solve for x
x = 22,064,939,812.08/163,750.80 - Step 6: Final answer
x = 134,747.07
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1.5x scale
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.