Finding the Fourth Proportional to 156,442.52, 215,829.62 and 102,058.63
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Solution
The fourth proportional to 156,442.52, 215,829.62 and 102,058.63 is: 140,801.07
Step by Step Solution
- Step 1: Write the proportion equation
156,442.52 : 215,829.62 = 102,058.63 : x - Step 2: Convert to fraction form
156,442.52/215,829.62 = 102,058.63/x - Step 3: Cross multiply
156,442.52x = 215,829.62 × 102,058.63 - Step 4: Simplify right side
156,442.52x = 22,027,275,046.19 - Step 5: Solve for x
x = 22,027,275,046.19/156,442.52 - Step 6: Final answer
x = 140,801.07
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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.