Home / 104,355.02-143,901.68-89,297.52

Finding the Fourth Proportional to 104,355.02, 143,901.68 and 89,297.52

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Solution

The fourth proportional to 104,355.02, 143,901.68 and 89,297.52 is: 123,137.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,355.02 : 143,901.68 = 89,297.52 : x
  2. Step 2: Convert to fraction form
    104,355.02/143,901.68 = 89,297.52/x
  3. Step 3: Cross multiply
    104,355.02x = 143,901.68 × 89,297.52
  4. Step 4: Simplify right side
    104,355.02x = 12,850,062,701.35
  5. Step 5: Solve for x
    x = 12,850,062,701.35/104,355.02
  6. Step 6: Final answer
    x = 123,137.95

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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.