Home / 258,112.74-356,157.09-144,913.62

Finding the Fourth Proportional to 258,112.74, 356,157.09 and 144,913.62

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Solution

The fourth proportional to 258,112.74, 356,157.09 and 144,913.62 is: 199,959.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,112.74 : 356,157.09 = 144,913.62 : x
  2. Step 2: Convert to fraction form
    258,112.74/356,157.09 = 144,913.62/x
  3. Step 3: Cross multiply
    258,112.74x = 356,157.09 × 144,913.62
  4. Step 4: Simplify right side
    258,112.74x = 51,612,013,200.57
  5. Step 5: Solve for x
    x = 51,612,013,200.57/258,112.74
  6. Step 6: Final answer
    x = 199,959.19

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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.