Home / 70,777.10-106,167.28-18,187.04

Finding the Fourth Proportional to 70,777.10, 106,167.28 and 18,187.04

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Solution

The fourth proportional to 70,777.10, 106,167.28 and 18,187.04 is: 27,280.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,777.10 : 106,167.28 = 18,187.04 : x
  2. Step 2: Convert to fraction form
    70,777.10/106,167.28 = 18,187.04/x
  3. Step 3: Cross multiply
    70,777.10x = 106,167.28 × 18,187.04
  4. Step 4: Simplify right side
    70,777.10x = 1,930,868,568.05
  5. Step 5: Solve for x
    x = 1,930,868,568.05/70,777.10
  6. Step 6: Final answer
    x = 27,280.98

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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.