Finding the Fourth Proportional to 97,910.25, 135,158.84 and 62,155.23
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Solution
The fourth proportional to 97,910.25, 135,158.84 and 62,155.23 is: 85,801.32
Step by Step Solution
- Step 1: Write the proportion equation
97,910.25 : 135,158.84 = 62,155.23 : x - Step 2: Convert to fraction form
97,910.25/135,158.84 = 62,155.23/x - Step 3: Cross multiply
97,910.25x = 135,158.84 × 62,155.23 - Step 4: Simplify right side
97,910.25x = 8,400,828,475.96 - Step 5: Solve for x
x = 8,400,828,475.96/97,910.25 - Step 6: Final answer
x = 85,801.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.