Home / 231,107.60-346,661.40-189,117.20

Finding the Fourth Proportional to 231,107.60, 346,661.40 and 189,117.20

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Solution

The fourth proportional to 231,107.60, 346,661.40 and 189,117.20 is: 283,675.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,107.60 : 346,661.40 = 189,117.20 : x
  2. Step 2: Convert to fraction form
    231,107.60/346,661.40 = 189,117.20/x
  3. Step 3: Cross multiply
    231,107.60x = 346,661.40 × 189,117.20
  4. Step 4: Simplify right side
    231,107.60x = 65,559,633,316.08
  5. Step 5: Solve for x
    x = 65,559,633,316.08/231,107.60
  6. Step 6: Final answer
    x = 283,675.80

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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.