Finding the Fourth Proportional to 156,281.74, 215,669.36 and 84,661.58
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Solution
The fourth proportional to 156,281.74, 215,669.36 and 84,661.58 is: 116,833.28
Step by Step Solution
- Step 1: Write the proportion equation
156,281.74 : 215,669.36 = 84,661.58 : x - Step 2: Convert to fraction form
156,281.74/215,669.36 = 84,661.58/x - Step 3: Cross multiply
156,281.74x = 215,669.36 × 84,661.58 - Step 4: Simplify right side
156,281.74x = 18,258,908,775.19 - Step 5: Solve for x
x = 18,258,908,775.19/156,281.74 - Step 6: Final answer
x = 116,833.28
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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.