Home / 230,743.40-346,125.90-72,984.20

Finding the Fourth Proportional to 230,743.40, 346,125.90 and 72,984.20

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Solution

The fourth proportional to 230,743.40, 346,125.90 and 72,984.20 is: 109,479.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,743.40 : 346,125.90 = 72,984.20 : x
  2. Step 2: Convert to fraction form
    230,743.40/346,125.90 = 72,984.20/x
  3. Step 3: Cross multiply
    230,743.40x = 346,125.90 × 72,984.20
  4. Step 4: Simplify right side
    230,743.40x = 25,261,721,910.78
  5. Step 5: Solve for x
    x = 25,261,721,910.78/230,743.40
  6. Step 6: Final answer
    x = 109,479.72

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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.