Home / 234,431.20-351,646.80-76,675.60

Finding the Fourth Proportional to 234,431.20, 351,646.80 and 76,675.60

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Solution

The fourth proportional to 234,431.20, 351,646.80 and 76,675.60 is: 115,013.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,431.20 : 351,646.80 = 76,675.60 : x
  2. Step 2: Convert to fraction form
    234,431.20/351,646.80 = 76,675.60/x
  3. Step 3: Cross multiply
    234,431.20x = 351,646.80 × 76,675.60
  4. Step 4: Simplify right side
    234,431.20x = 26,962,729,378.08
  5. Step 5: Solve for x
    x = 26,962,729,378.08/234,431.20
  6. Step 6: Final answer
    x = 115,013.40

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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.