Finding the Fourth Proportional to 156,919.76, 235,246.88 and 68,106.08
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Solution
The fourth proportional to 156,919.76, 235,246.88 and 68,106.08 is: 102,101.50
Step by Step Solution
- Step 1: Write the proportion equation
156,919.76 : 235,246.88 = 68,106.08 : x - Step 2: Convert to fraction form
156,919.76/235,246.88 = 68,106.08/x - Step 3: Cross multiply
156,919.76x = 235,246.88 × 68,106.08 - Step 4: Simplify right side
156,919.76x = 16,021,742,829.03 - Step 5: Solve for x
x = 16,021,742,829.03/156,919.76 - Step 6: Final answer
x = 102,101.50
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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.