Home / 258,246.79-356,380.20-143,521.83

Finding the Fourth Proportional to 258,246.79, 356,380.20 and 143,521.83

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Solution

The fourth proportional to 258,246.79, 356,380.20 and 143,521.83 is: 198,059.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,246.79 : 356,380.20 = 143,521.83 : x
  2. Step 2: Convert to fraction form
    258,246.79/356,380.20 = 143,521.83/x
  3. Step 3: Cross multiply
    258,246.79x = 356,380.20 × 143,521.83
  4. Step 4: Simplify right side
    258,246.79x = 51,148,338,479.77
  5. Step 5: Solve for x
    x = 51,148,338,479.77/258,246.79
  6. Step 6: Final answer
    x = 198,059.92

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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.