Home / 132,919.02-199,389.33-39,424.50

Finding the Fourth Proportional to 132,919.02, 199,389.33 and 39,424.50

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Solution

The fourth proportional to 132,919.02, 199,389.33 and 39,424.50 is: 59,139.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,919.02 : 199,389.33 = 39,424.50 : x
  2. Step 2: Convert to fraction form
    132,919.02/199,389.33 = 39,424.50/x
  3. Step 3: Cross multiply
    132,919.02x = 199,389.33 × 39,424.50
  4. Step 4: Simplify right side
    132,919.02x = 7,860,824,640.59
  5. Step 5: Solve for x
    x = 7,860,824,640.59/132,919.02
  6. Step 6: Final answer
    x = 59,139.95

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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.