Home / 135,923.91-187,569.78-75,498.41

Finding the Fourth Proportional to 135,923.91, 187,569.78 and 75,498.41

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Solution

The fourth proportional to 135,923.91, 187,569.78 and 75,498.41 is: 104,184.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,923.91 : 187,569.78 = 75,498.41 : x
  2. Step 2: Convert to fraction form
    135,923.91/187,569.78 = 75,498.41/x
  3. Step 3: Cross multiply
    135,923.91x = 187,569.78 × 75,498.41
  4. Step 4: Simplify right side
    135,923.91x = 14,161,219,216.20
  5. Step 5: Solve for x
    x = 14,161,219,216.20/135,923.91
  6. Step 6: Final answer
    x = 104,184.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.