Home / 240,730.20-332,207.06-138,754.82

Finding the Fourth Proportional to 240,730.20, 332,207.06 and 138,754.82

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Solution

The fourth proportional to 240,730.20, 332,207.06 and 138,754.82 is: 191,481.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,730.20 : 332,207.06 = 138,754.82 : x
  2. Step 2: Convert to fraction form
    240,730.20/332,207.06 = 138,754.82/x
  3. Step 3: Cross multiply
    240,730.20x = 332,207.06 × 138,754.82
  4. Step 4: Simplify right side
    240,730.20x = 46,095,330,813.03
  5. Step 5: Solve for x
    x = 46,095,330,813.03/240,730.20
  6. Step 6: Final answer
    x = 191,481.30

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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.