Finding the Fourth Proportional to 133,340.34, 184,011.65 and 90,332.99
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Solution
The fourth proportional to 133,340.34, 184,011.65 and 90,332.99 is: 124,660.86
Step by Step Solution
- Step 1: Write the proportion equation
133,340.34 : 184,011.65 = 90,332.99 : x - Step 2: Convert to fraction form
133,340.34/184,011.65 = 90,332.99/x - Step 3: Cross multiply
133,340.34x = 184,011.65 × 90,332.99 - Step 4: Simplify right side
133,340.34x = 16,622,321,167.61 - Step 5: Solve for x
x = 16,622,321,167.61/133,340.34 - Step 6: Final answer
x = 124,660.86
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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.