Home / 120,941.31-181,412.37-36,702.18

Finding the Fourth Proportional to 120,941.31, 181,412.37 and 36,702.18

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Solution

The fourth proportional to 120,941.31, 181,412.37 and 36,702.18 is: 55,053.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,941.31 : 181,412.37 = 36,702.18 : x
  2. Step 2: Convert to fraction form
    120,941.31/181,412.37 = 36,702.18/x
  3. Step 3: Cross multiply
    120,941.31x = 181,412.37 × 36,702.18
  4. Step 4: Simplify right side
    120,941.31x = 6,658,229,457.97
  5. Step 5: Solve for x
    x = 6,658,229,457.97/120,941.31
  6. Step 6: Final answer
    x = 55,053.39

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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.