Home / 258,316.11-356,480.46-142,034.49

Finding the Fourth Proportional to 258,316.11, 356,480.46 and 142,034.49

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Solution

The fourth proportional to 258,316.11, 356,480.46 and 142,034.49 is: 196,009.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,316.11 : 356,480.46 = 142,034.49 : x
  2. Step 2: Convert to fraction form
    258,316.11/356,480.46 = 142,034.49/x
  3. Step 3: Cross multiply
    258,316.11x = 356,480.46 × 142,034.49
  4. Step 4: Simplify right side
    258,316.11x = 50,632,520,331.07
  5. Step 5: Solve for x
    x = 50,632,520,331.07/258,316.11
  6. Step 6: Final answer
    x = 196,009.92

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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.