Finding the Fourth Proportional to 102,159.20, 153,289.02 and 46,038.08
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Solution
The fourth proportional to 102,159.20, 153,289.02 and 46,038.08 is: 69,079.75
Step by Step Solution
- Step 1: Write the proportion equation
102,159.20 : 153,289.02 = 46,038.08 : x - Step 2: Convert to fraction form
102,159.20/153,289.02 = 46,038.08/x - Step 3: Cross multiply
102,159.20x = 153,289.02 × 46,038.08 - Step 4: Simplify right side
102,159.20x = 7,057,132,165.88 - Step 5: Solve for x
x = 7,057,132,165.88/102,159.20 - Step 6: Final answer
x = 69,079.75
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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.