Home / 185,758.47-278,637.70-45,515.88

Finding the Fourth Proportional to 185,758.47, 278,637.70 and 45,515.88

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Solution

The fourth proportional to 185,758.47, 278,637.70 and 45,515.88 is: 68,273.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,758.47 : 278,637.70 = 45,515.88 : x
  2. Step 2: Convert to fraction form
    185,758.47/278,637.70 = 45,515.88/x
  3. Step 3: Cross multiply
    185,758.47x = 278,637.70 × 45,515.88
  4. Step 4: Simplify right side
    185,758.47x = 12,682,440,116.68
  5. Step 5: Solve for x
    x = 12,682,440,116.68/185,758.47
  6. Step 6: Final answer
    x = 68,273.82

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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.