Home / 258,109.60-356,180.24-150,685.60

Finding the Fourth Proportional to 258,109.60, 356,180.24 and 150,685.60

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Solution

The fourth proportional to 258,109.60, 356,180.24 and 150,685.60 is: 207,939.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,109.60 : 356,180.24 = 150,685.60 : x
  2. Step 2: Convert to fraction form
    258,109.60/356,180.24 = 150,685.60/x
  3. Step 3: Cross multiply
    258,109.60x = 356,180.24 × 150,685.60
  4. Step 4: Simplify right side
    258,109.60x = 53,671,233,172.54
  5. Step 5: Solve for x
    x = 53,671,233,172.54/258,109.60
  6. Step 6: Final answer
    x = 207,939.70

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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.