Home / 260,132.66-390,199.14-73,144.16

Finding the Fourth Proportional to 260,132.66, 390,199.14 and 73,144.16

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Solution

The fourth proportional to 260,132.66, 390,199.14 and 73,144.16 is: 109,716.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,132.66 : 390,199.14 = 73,144.16 : x
  2. Step 2: Convert to fraction form
    260,132.66/390,199.14 = 73,144.16/x
  3. Step 3: Cross multiply
    260,132.66x = 390,199.14 × 73,144.16
  4. Step 4: Simplify right side
    260,132.66x = 28,540,788,328.02
  5. Step 5: Solve for x
    x = 28,540,788,328.02/260,132.66
  6. Step 6: Final answer
    x = 109,716.28

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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.