Finding the Fourth Proportional to 119,210.95, 164,442.68 and 74,421.19
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Solution
The fourth proportional to 119,210.95, 164,442.68 and 74,421.19 is: 102,658.52
Step by Step Solution
- Step 1: Write the proportion equation
119,210.95 : 164,442.68 = 74,421.19 : x - Step 2: Convert to fraction form
119,210.95/164,442.68 = 74,421.19/x - Step 3: Cross multiply
119,210.95x = 164,442.68 × 74,421.19 - Step 4: Simplify right side
119,210.95x = 12,238,019,149.18 - Step 5: Solve for x
x = 12,238,019,149.18/119,210.95 - Step 6: Final answer
x = 102,658.52
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Double scale
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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.