Finding the Fourth Proportional to 130,303.53, 195,136.81 and 117,681.80
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Solution
The fourth proportional to 130,303.53, 195,136.81 and 117,681.80 is: 176,235.07
Step by Step Solution
- Step 1: Write the proportion equation
130,303.53 : 195,136.81 = 117,681.80 : x - Step 2: Convert to fraction form
130,303.53/195,136.81 = 117,681.80/x - Step 3: Cross multiply
130,303.53x = 195,136.81 × 117,681.80 - Step 4: Simplify right side
130,303.53x = 22,964,051,240.70 - Step 5: Solve for x
x = 22,964,051,240.70/130,303.53 - Step 6: Final answer
x = 176,235.07
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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.