Finding the Fourth Proportional to 156,215.84, 215,577.98 and 84,595.94
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Solution
The fourth proportional to 156,215.84, 215,577.98 and 84,595.94 is: 116,742.46
Step by Step Solution
- Step 1: Write the proportion equation
156,215.84 : 215,577.98 = 84,595.94 : x - Step 2: Convert to fraction form
156,215.84/215,577.98 = 84,595.94/x - Step 3: Cross multiply
156,215.84x = 215,577.98 × 84,595.94 - Step 4: Simplify right side
156,215.84x = 18,237,020,360.53 - Step 5: Solve for x
x = 18,237,020,360.53/156,215.84 - Step 6: Final answer
x = 116,742.46
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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.