Home / 240,093.32-331,360.80-138,116.24

Finding the Fourth Proportional to 240,093.32, 331,360.80 and 138,116.24

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Solution

The fourth proportional to 240,093.32, 331,360.80 and 138,116.24 is: 190,618.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,093.32 : 331,360.80 = 138,116.24 : x
  2. Step 2: Convert to fraction form
    240,093.32/331,360.80 = 138,116.24/x
  3. Step 3: Cross multiply
    240,093.32x = 331,360.80 × 138,116.24
  4. Step 4: Simplify right side
    240,093.32x = 45,766,307,779.39
  5. Step 5: Solve for x
    x = 45,766,307,779.39/240,093.32
  6. Step 6: Final answer
    x = 190,618.83

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1.5x scale

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.