Finding the Fourth Proportional to 101,154.56, 139,599.36 and 56,445.44
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Solution
The fourth proportional to 101,154.56, 139,599.36 and 56,445.44 is: 77,898.09
Step by Step Solution
- Step 1: Write the proportion equation
101,154.56 : 139,599.36 = 56,445.44 : x - Step 2: Convert to fraction form
101,154.56/139,599.36 = 56,445.44/x - Step 3: Cross multiply
101,154.56x = 139,599.36 × 56,445.44 - Step 4: Simplify right side
101,154.56x = 7,879,747,298.92 - Step 5: Solve for x
x = 7,879,747,298.92/101,154.56 - Step 6: Final answer
x = 77,898.09
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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.