Finding the Fourth Proportional to 156,929.60, 235,394.40 and 97,005.80
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Solution
The fourth proportional to 156,929.60, 235,394.40 and 97,005.80 is: 145,508.70
Step by Step Solution
- Step 1: Write the proportion equation
156,929.60 : 235,394.40 = 97,005.80 : x - Step 2: Convert to fraction form
156,929.60/235,394.40 = 97,005.80/x - Step 3: Cross multiply
156,929.60x = 235,394.40 × 97,005.80 - Step 4: Simplify right side
156,929.60x = 22,834,622,087.52 - Step 5: Solve for x
x = 22,834,622,087.52/156,929.60 - Step 6: Final answer
x = 145,508.70
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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.