Home / 112,900.22-169,018.13-75,367.20

Finding the Fourth Proportional to 112,900.22, 169,018.13 and 75,367.20

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Solution

The fourth proportional to 112,900.22, 169,018.13 and 75,367.20 is: 112,829.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,900.22 : 169,018.13 = 75,367.20 : x
  2. Step 2: Convert to fraction form
    112,900.22/169,018.13 = 75,367.20/x
  3. Step 3: Cross multiply
    112,900.22x = 169,018.13 × 75,367.20
  4. Step 4: Simplify right side
    112,900.22x = 12,738,422,830.50
  5. Step 5: Solve for x
    x = 12,738,422,830.50/112,900.22
  6. Step 6: Final answer
    x = 112,829.04

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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.