Finding the Fourth Proportional to 106,722.42, 147,276.99 and 58,975.77
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Solution
The fourth proportional to 106,722.42, 147,276.99 and 58,975.77 is: 81,386.59
Step by Step Solution
- Step 1: Write the proportion equation
106,722.42 : 147,276.99 = 58,975.77 : x - Step 2: Convert to fraction form
106,722.42/147,276.99 = 58,975.77/x - Step 3: Cross multiply
106,722.42x = 147,276.99 × 58,975.77 - Step 4: Simplify right side
106,722.42x = 8,685,773,888.53 - Step 5: Solve for x
x = 8,685,773,888.53/106,722.42 - Step 6: Final answer
x = 81,386.59
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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.