Home / 558,632.52-837,939.06-137,908.80

Finding the Fourth Proportional to 558,632.52, 837,939.06 and 137,908.80

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Solution

The fourth proportional to 558,632.52, 837,939.06 and 137,908.80 is: 206,860.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,632.52 : 837,939.06 = 137,908.80 : x
  2. Step 2: Convert to fraction form
    558,632.52/837,939.06 = 137,908.80/x
  3. Step 3: Cross multiply
    558,632.52x = 837,939.06 × 137,908.80
  4. Step 4: Simplify right side
    558,632.52x = 115,559,170,237.73
  5. Step 5: Solve for x
    x = 115,559,170,237.73/558,632.52
  6. Step 6: Final answer
    x = 206,860.80

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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.