Home / 268,125.21-402,187.37-68,445.56

Finding the Fourth Proportional to 268,125.21, 402,187.37 and 68,445.56

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Solution

The fourth proportional to 268,125.21, 402,187.37 and 68,445.56 is: 102,668.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,125.21 : 402,187.37 = 68,445.56 : x
  2. Step 2: Convert to fraction form
    268,125.21/402,187.37 = 68,445.56/x
  3. Step 3: Cross multiply
    268,125.21x = 402,187.37 × 68,445.56
  4. Step 4: Simplify right side
    268,125.21x = 27,527,937,411.41
  5. Step 5: Solve for x
    x = 27,527,937,411.41/268,125.21
  6. Step 6: Final answer
    x = 102,668.22

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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.