Home / 240,742.34-332,223.89-138,767.12

Finding the Fourth Proportional to 240,742.34, 332,223.89 and 138,767.12

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Solution

The fourth proportional to 240,742.34, 332,223.89 and 138,767.12 is: 191,498.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,742.34 : 332,223.89 = 138,767.12 : x
  2. Step 2: Convert to fraction form
    240,742.34/332,223.89 = 138,767.12/x
  3. Step 3: Cross multiply
    240,742.34x = 332,223.89 × 138,767.12
  4. Step 4: Simplify right side
    240,742.34x = 46,101,751,821.76
  5. Step 5: Solve for x
    x = 46,101,751,821.76/240,742.34
  6. Step 6: Final answer
    x = 191,498.32

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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.