Finding the Fourth Proportional to 156,798.96, 235,037.52 and 61,990.62
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Solution
The fourth proportional to 156,798.96, 235,037.52 and 61,990.62 is: 92,922.31
Step by Step Solution
- Step 1: Write the proportion equation
156,798.96 : 235,037.52 = 61,990.62 : x - Step 2: Convert to fraction form
156,798.96/235,037.52 = 61,990.62/x - Step 3: Cross multiply
156,798.96x = 235,037.52 × 61,990.62 - Step 4: Simplify right side
156,798.96x = 14,570,121,588.06 - Step 5: Solve for x
x = 14,570,121,588.06/156,798.96 - Step 6: Final answer
x = 92,922.31
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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.