Home / 89,939.20-134,885.29-26,742.30

Finding the Fourth Proportional to 89,939.20, 134,885.29 and 26,742.30

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Solution

The fourth proportional to 89,939.20, 134,885.29 and 26,742.30 is: 40,106.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,939.20 : 134,885.29 = 26,742.30 : x
  2. Step 2: Convert to fraction form
    89,939.20/134,885.29 = 26,742.30/x
  3. Step 3: Cross multiply
    89,939.20x = 134,885.29 × 26,742.30
  4. Step 4: Simplify right side
    89,939.20x = 3,607,143,126.96
  5. Step 5: Solve for x
    x = 3,607,143,126.96/89,939.20
  6. Step 6: Final answer
    x = 40,106.46

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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.