Finding the Fourth Proportional to 97,297.20, 145,661.46 and 87,958.71
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Solution
The fourth proportional to 97,297.20, 145,661.46 and 87,958.71 is: 131,681.02
Step by Step Solution
- Step 1: Write the proportion equation
97,297.20 : 145,661.46 = 87,958.71 : x - Step 2: Convert to fraction form
97,297.20/145,661.46 = 87,958.71/x - Step 3: Cross multiply
97,297.20x = 145,661.46 × 87,958.71 - Step 4: Simplify right side
97,297.20x = 12,812,194,118.32 - Step 5: Solve for x
x = 12,812,194,118.32/97,297.20 - Step 6: Final answer
x = 131,681.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.