Home / 147,835.50-204,012.99-80,767.50

Finding the Fourth Proportional to 147,835.50, 204,012.99 and 80,767.50

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Solution

The fourth proportional to 147,835.50, 204,012.99 and 80,767.50 is: 111,459.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,835.50 : 204,012.99 = 80,767.50 : x
  2. Step 2: Convert to fraction form
    147,835.50/204,012.99 = 80,767.50/x
  3. Step 3: Cross multiply
    147,835.50x = 204,012.99 × 80,767.50
  4. Step 4: Simplify right side
    147,835.50x = 16,477,619,169.83
  5. Step 5: Solve for x
    x = 16,477,619,169.83/147,835.50
  6. Step 6: Final answer
    x = 111,459.15

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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.