Finding the Fourth Proportional to 134,726.97, 185,920.62 and 74,303.19
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Solution
The fourth proportional to 134,726.97, 185,920.62 and 74,303.19 is: 102,536.98
Step by Step Solution
- Step 1: Write the proportion equation
134,726.97 : 185,920.62 = 74,303.19 : x - Step 2: Convert to fraction form
134,726.97/185,920.62 = 74,303.19/x - Step 3: Cross multiply
134,726.97x = 185,920.62 × 74,303.19 - Step 4: Simplify right side
134,726.97x = 13,814,495,803.34 - Step 5: Solve for x
x = 13,814,495,803.34/134,726.97 - Step 6: Final answer
x = 102,536.98
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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.