Finding the Fourth Proportional to 130,925.23, 196,204.82 and 70,823.97
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Solution
The fourth proportional to 130,925.23, 196,204.82 and 70,823.97 is: 106,136.95
Step by Step Solution
- Step 1: Write the proportion equation
130,925.23 : 196,204.82 = 70,823.97 : x - Step 2: Convert to fraction form
130,925.23/196,204.82 = 70,823.97/x - Step 3: Cross multiply
130,925.23x = 196,204.82 × 70,823.97 - Step 4: Simplify right side
130,925.23x = 13,896,003,931.42 - Step 5: Solve for x
x = 13,896,003,931.42/130,925.23 - Step 6: Final answer
x = 106,136.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.