Home / 154,421.04-231,557.58-75,442.80

Finding the Fourth Proportional to 154,421.04, 231,557.58 and 75,442.80

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Solution

The fourth proportional to 154,421.04, 231,557.58 and 75,442.80 is: 113,128.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,421.04 : 231,557.58 = 75,442.80 : x
  2. Step 2: Convert to fraction form
    154,421.04/231,557.58 = 75,442.80/x
  3. Step 3: Cross multiply
    154,421.04x = 231,557.58 × 75,442.80
  4. Step 4: Simplify right side
    154,421.04x = 17,469,352,196.42
  5. Step 5: Solve for x
    x = 17,469,352,196.42/154,421.04
  6. Step 6: Final answer
    x = 113,128.06

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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.