Finding the Fourth Proportional to 139,882.66, 192,980.28 and 97,465.80
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Solution
The fourth proportional to 139,882.66, 192,980.28 and 97,465.80 is: 134,462.54
Step by Step Solution
- Step 1: Write the proportion equation
139,882.66 : 192,980.28 = 97,465.80 : x - Step 2: Convert to fraction form
139,882.66/192,980.28 = 97,465.80/x - Step 3: Cross multiply
139,882.66x = 192,980.28 × 97,465.80 - Step 4: Simplify right side
139,882.66x = 18,808,977,374.42 - Step 5: Solve for x
x = 18,808,977,374.42/139,882.66 - Step 6: Final answer
x = 134,462.54
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.