Home / 154,477.90-231,716.85-88,122.70

Finding the Fourth Proportional to 154,477.90, 231,716.85 and 88,122.70

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Solution

The fourth proportional to 154,477.90, 231,716.85 and 88,122.70 is: 132,184.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,477.90 : 231,716.85 = 88,122.70 : x
  2. Step 2: Convert to fraction form
    154,477.90/231,716.85 = 88,122.70/x
  3. Step 3: Cross multiply
    154,477.90x = 231,716.85 × 88,122.70
  4. Step 4: Simplify right side
    154,477.90x = 20,419,514,457.50
  5. Step 5: Solve for x
    x = 20,419,514,457.50/154,477.90
  6. Step 6: Final answer
    x = 132,184.05

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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.