Home / 140,667.16-210,956.62-40,834.28

Finding the Fourth Proportional to 140,667.16, 210,956.62 and 40,834.28

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Solution

The fourth proportional to 140,667.16, 210,956.62 and 40,834.28 is: 61,238.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,667.16 : 210,956.62 = 40,834.28 : x
  2. Step 2: Convert to fraction form
    140,667.16/210,956.62 = 40,834.28/x
  3. Step 3: Cross multiply
    140,667.16x = 210,956.62 × 40,834.28
  4. Step 4: Simplify right side
    140,667.16x = 8,614,261,688.93
  5. Step 5: Solve for x
    x = 8,614,261,688.93/140,667.16
  6. Step 6: Final answer
    x = 61,238.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.