Finding the Fourth Proportional to 161,953.24, 242,929.86 and 83,017.12
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Solution
The fourth proportional to 161,953.24, 242,929.86 and 83,017.12 is: 124,525.68
Step by Step Solution
- Step 1: Write the proportion equation
161,953.24 : 242,929.86 = 83,017.12 : x - Step 2: Convert to fraction form
161,953.24/242,929.86 = 83,017.12/x - Step 3: Cross multiply
161,953.24x = 242,929.86 × 83,017.12 - Step 4: Simplify right side
161,953.24x = 20,167,337,339.20 - Step 5: Solve for x
x = 20,167,337,339.20/161,953.24 - Step 6: Final answer
x = 124,525.68
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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.