Home / 240,972.57-332,541.65-138,996.41

Finding the Fourth Proportional to 240,972.57, 332,541.65 and 138,996.41

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Solution

The fourth proportional to 240,972.57, 332,541.65 and 138,996.41 is: 191,814.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,972.57 : 332,541.65 = 138,996.41 : x
  2. Step 2: Convert to fraction form
    240,972.57/332,541.65 = 138,996.41/x
  3. Step 3: Cross multiply
    240,972.57x = 332,541.65 × 138,996.41
  4. Step 4: Simplify right side
    240,972.57x = 46,222,094,210.26
  5. Step 5: Solve for x
    x = 46,222,094,210.26/240,972.57
  6. Step 6: Final answer
    x = 191,814.75

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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.