Home / 155,416.90-233,240.55-102,808.90

Finding the Fourth Proportional to 155,416.90, 233,240.55 and 102,808.90

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Solution

The fourth proportional to 155,416.90, 233,240.55 and 102,808.90 is: 154,289.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,416.90 : 233,240.55 = 102,808.90 : x
  2. Step 2: Convert to fraction form
    155,416.90/233,240.55 = 102,808.90/x
  3. Step 3: Cross multiply
    155,416.90x = 233,240.55 × 102,808.90
  4. Step 4: Simplify right side
    155,416.90x = 23,979,204,380.90
  5. Step 5: Solve for x
    x = 23,979,204,380.90/155,416.90
  6. Step 6: Final answer
    x = 154,289.56

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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.