Home / 231,111.20-346,294.20-130,973.60

Finding the Fourth Proportional to 231,111.20, 346,294.20 and 130,973.60

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Solution

The fourth proportional to 231,111.20, 346,294.20 and 130,973.60 is: 196,249.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,111.20 : 346,294.20 = 130,973.60 : x
  2. Step 2: Convert to fraction form
    231,111.20/346,294.20 = 130,973.60/x
  3. Step 3: Cross multiply
    231,111.20x = 346,294.20 × 130,973.60
  4. Step 4: Simplify right side
    231,111.20x = 45,355,398,033.12
  5. Step 5: Solve for x
    x = 45,355,398,033.12/231,111.20
  6. Step 6: Final answer
    x = 196,249.24

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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.