Finding the Fourth Proportional to 107,237.08, 147,987.34 and 59,490.42
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Solution
The fourth proportional to 107,237.08, 147,987.34 and 59,490.42 is: 82,096.88
Step by Step Solution
- Step 1: Write the proportion equation
107,237.08 : 147,987.34 = 59,490.42 : x - Step 2: Convert to fraction form
107,237.08/147,987.34 = 59,490.42/x - Step 3: Cross multiply
107,237.08x = 147,987.34 × 59,490.42 - Step 4: Simplify right side
107,237.08x = 8,803,829,807.22 - Step 5: Solve for x
x = 8,803,829,807.22/107,237.08 - Step 6: Final answer
x = 82,096.88
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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.