Finding the Fourth Proportional to 134,512.58, 201,547.40 and 93,990.20
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Solution
The fourth proportional to 134,512.58, 201,547.40 and 93,990.20 is: 140,830.55
Step by Step Solution
- Step 1: Write the proportion equation
134,512.58 : 201,547.40 = 93,990.20 : x - Step 2: Convert to fraction form
134,512.58/201,547.40 = 93,990.20/x - Step 3: Cross multiply
134,512.58x = 201,547.40 × 93,990.20 - Step 4: Simplify right side
134,512.58x = 18,943,480,435.48 - Step 5: Solve for x
x = 18,943,480,435.48/134,512.58 - Step 6: Final answer
x = 140,830.55
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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.