Home / 103,519.50-155,187.06-40,324.85

Finding the Fourth Proportional to 103,519.50, 155,187.06 and 40,324.85

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Solution

The fourth proportional to 103,519.50, 155,187.06 and 40,324.85 is: 60,451.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,519.50 : 155,187.06 = 40,324.85 : x
  2. Step 2: Convert to fraction form
    103,519.50/155,187.06 = 40,324.85/x
  3. Step 3: Cross multiply
    103,519.50x = 155,187.06 × 40,324.85
  4. Step 4: Simplify right side
    103,519.50x = 6,257,894,140.51
  5. Step 5: Solve for x
    x = 6,257,894,140.51/103,519.50
  6. Step 6: Final answer
    x = 60,451.36

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1.5x scale

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.