Finding the Fourth Proportional to 101,498.98, 140,067.90 and 56,177.08
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Solution
The fourth proportional to 101,498.98, 140,067.90 and 56,177.08 is: 77,523.99
Step by Step Solution
- Step 1: Write the proportion equation
101,498.98 : 140,067.90 = 56,177.08 : x - Step 2: Convert to fraction form
101,498.98/140,067.90 = 56,177.08/x - Step 3: Cross multiply
101,498.98x = 140,067.90 × 56,177.08 - Step 4: Simplify right side
101,498.98x = 7,868,605,623.73 - Step 5: Solve for x
x = 7,868,605,623.73/101,498.98 - Step 6: Final answer
x = 77,523.99
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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.