Home / 64,120.74-96,200.46-19,143.56

Finding the Fourth Proportional to 64,120.74, 96,200.46 and 19,143.56

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Solution

The fourth proportional to 64,120.74, 96,200.46 and 19,143.56 is: 28,721.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,120.74 : 96,200.46 = 19,143.56 : x
  2. Step 2: Convert to fraction form
    64,120.74/96,200.46 = 19,143.56/x
  3. Step 3: Cross multiply
    64,120.74x = 96,200.46 × 19,143.56
  4. Step 4: Simplify right side
    64,120.74x = 1,841,618,797.04
  5. Step 5: Solve for x
    x = 1,841,618,797.04/64,120.74
  6. Step 6: Final answer
    x = 28,721.11

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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.