Home / 140,448-210,628.24-46,931.88

Finding the Fourth Proportional to 140,448, 210,628.24 and 46,931.88

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Solution

The fourth proportional to 140,448, 210,628.24 and 46,931.88 is: 70,383.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,448 : 210,628.24 = 46,931.88 : x
  2. Step 2: Convert to fraction form
    140,448/210,628.24 = 46,931.88/x
  3. Step 3: Cross multiply
    140,448x = 210,628.24 × 46,931.88
  4. Step 4: Simplify right side
    140,448x = 9,885,179,284.29
  5. Step 5: Solve for x
    x = 9,885,179,284.29/140,448
  6. Step 6: Final answer
    x = 70,383.20

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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.