Home / 96,564.20-144,846.30-81,012.20

Finding the Fourth Proportional to 96,564.20, 144,846.30 and 81,012.20

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Solution

The fourth proportional to 96,564.20, 144,846.30 and 81,012.20 is: 121,518.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,564.20 : 144,846.30 = 81,012.20 : x
  2. Step 2: Convert to fraction form
    96,564.20/144,846.30 = 81,012.20/x
  3. Step 3: Cross multiply
    96,564.20x = 144,846.30 × 81,012.20
  4. Step 4: Simplify right side
    96,564.20x = 11,734,317,424.86
  5. Step 5: Solve for x
    x = 11,734,317,424.86/96,564.20
  6. Step 6: Final answer
    x = 121,518.30

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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.