Home / 140,834.84-210,160.34-125,879

Finding the Fourth Proportional to 140,834.84, 210,160.34 and 125,879

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Solution

The fourth proportional to 140,834.84, 210,160.34 and 125,879 is: 187,842.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,834.84 : 210,160.34 = 125,879 : x
  2. Step 2: Convert to fraction form
    140,834.84/210,160.34 = 125,879/x
  3. Step 3: Cross multiply
    140,834.84x = 210,160.34 × 125,879
  4. Step 4: Simplify right side
    140,834.84x = 26,454,773,438.86
  5. Step 5: Solve for x
    x = 26,454,773,438.86/140,834.84
  6. Step 6: Final answer
    x = 187,842.54

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.