Home / 112,328.88-155,027.20-64,584.24

Finding the Fourth Proportional to 112,328.88, 155,027.20 and 64,584.24

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Solution

The fourth proportional to 112,328.88, 155,027.20 and 64,584.24 is: 89,133.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,328.88 : 155,027.20 = 64,584.24 : x
  2. Step 2: Convert to fraction form
    112,328.88/155,027.20 = 64,584.24/x
  3. Step 3: Cross multiply
    112,328.88x = 155,027.20 × 64,584.24
  4. Step 4: Simplify right side
    112,328.88x = 10,012,313,891.33
  5. Step 5: Solve for x
    x = 10,012,313,891.33/112,328.88
  6. Step 6: Final answer
    x = 89,133.92

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1.5x scale

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.