Finding the Fourth Proportional to 124,746.90, 187,135.92 and 48,835.63
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Solution
The fourth proportional to 124,746.90, 187,135.92 and 48,835.63 is: 73,259.55
Step by Step Solution
- Step 1: Write the proportion equation
124,746.90 : 187,135.92 = 48,835.63 : x - Step 2: Convert to fraction form
124,746.90/187,135.92 = 48,835.63/x - Step 3: Cross multiply
124,746.90x = 187,135.92 × 48,835.63 - Step 4: Simplify right side
124,746.90x = 9,138,901,463.59 - Step 5: Solve for x
x = 9,138,901,463.59/124,746.90 - Step 6: Final answer
x = 73,259.55
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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.