Home / 154,417.20-231,636.60-60,910.80

Finding the Fourth Proportional to 154,417.20, 231,636.60 and 60,910.80

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Solution

The fourth proportional to 154,417.20, 231,636.60 and 60,910.80 is: 91,370.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,417.20 : 231,636.60 = 60,910.80 : x
  2. Step 2: Convert to fraction form
    154,417.20/231,636.60 = 60,910.80/x
  3. Step 3: Cross multiply
    154,417.20x = 231,636.60 × 60,910.80
  4. Step 4: Simplify right side
    154,417.20x = 14,109,170,615.28
  5. Step 5: Solve for x
    x = 14,109,170,615.28/154,417.20
  6. Step 6: Final answer
    x = 91,370.46

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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.