Home / 128,367.10-192,390.27-88,607.44

Finding the Fourth Proportional to 128,367.10, 192,390.27 and 88,607.44

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Solution

The fourth proportional to 128,367.10, 192,390.27 and 88,607.44 is: 132,800.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,367.10 : 192,390.27 = 88,607.44 : x
  2. Step 2: Convert to fraction form
    128,367.10/192,390.27 = 88,607.44/x
  3. Step 3: Cross multiply
    128,367.10x = 192,390.27 × 88,607.44
  4. Step 4: Simplify right side
    128,367.10x = 17,047,209,305.61
  5. Step 5: Solve for x
    x = 17,047,209,305.61/128,367.10
  6. Step 6: Final answer
    x = 132,800.46

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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.