Finding the Fourth Proportional to 167,145.84, 230,628.36 and 99,150.12
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Solution
The fourth proportional to 167,145.84, 230,628.36 and 99,150.12 is: 136,807.65
Step by Step Solution
- Step 1: Write the proportion equation
167,145.84 : 230,628.36 = 99,150.12 : x - Step 2: Convert to fraction form
167,145.84/230,628.36 = 99,150.12/x - Step 3: Cross multiply
167,145.84x = 230,628.36 × 99,150.12 - Step 4: Simplify right side
167,145.84x = 22,866,829,569.40 - Step 5: Solve for x
x = 22,866,829,569.40/167,145.84 - Step 6: Final answer
x = 136,807.65
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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.