Finding the Fourth Proportional to 134,177.18, 185,182.02 and 86,569.02
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Solution
The fourth proportional to 134,177.18, 185,182.02 and 86,569.02 is: 119,476.55
Step by Step Solution
- Step 1: Write the proportion equation
134,177.18 : 185,182.02 = 86,569.02 : x - Step 2: Convert to fraction form
134,177.18/185,182.02 = 86,569.02/x - Step 3: Cross multiply
134,177.18x = 185,182.02 × 86,569.02 - Step 4: Simplify right side
134,177.18x = 16,031,025,993.02 - Step 5: Solve for x
x = 16,031,025,993.02/134,177.18 - Step 6: Final answer
x = 119,476.55
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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.