Home / 258,332.56-356,503.24-142,050.96

Finding the Fourth Proportional to 258,332.56, 356,503.24 and 142,050.96

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Solution

The fourth proportional to 258,332.56, 356,503.24 and 142,050.96 is: 196,032.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,332.56 : 356,503.24 = 142,050.96 : x
  2. Step 2: Convert to fraction form
    258,332.56/356,503.24 = 142,050.96/x
  3. Step 3: Cross multiply
    258,332.56x = 356,503.24 × 142,050.96
  4. Step 4: Simplify right side
    258,332.56x = 50,641,627,485.11
  5. Step 5: Solve for x
    x = 50,641,627,485.11/258,332.56
  6. Step 6: Final answer
    x = 196,032.69

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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.