Home / 147,900.06-204,143.94-87,491.70

Finding the Fourth Proportional to 147,900.06, 204,143.94 and 87,491.70

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Solution

The fourth proportional to 147,900.06, 204,143.94 and 87,491.70 is: 120,763.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,900.06 : 204,143.94 = 87,491.70 : x
  2. Step 2: Convert to fraction form
    147,900.06/204,143.94 = 87,491.70/x
  3. Step 3: Cross multiply
    147,900.06x = 204,143.94 × 87,491.70
  4. Step 4: Simplify right side
    147,900.06x = 17,860,900,355.30
  5. Step 5: Solve for x
    x = 17,860,900,355.30/147,900.06
  6. Step 6: Final answer
    x = 120,763.31

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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.