Home / 230,052.60-317,464.76-129,431.16

Finding the Fourth Proportional to 230,052.60, 317,464.76 and 129,431.16

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Solution

The fourth proportional to 230,052.60, 317,464.76 and 129,431.16 is: 178,610.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,052.60 : 317,464.76 = 129,431.16 : x
  2. Step 2: Convert to fraction form
    230,052.60/317,464.76 = 129,431.16/x
  3. Step 3: Cross multiply
    230,052.60x = 317,464.76 × 129,431.16
  4. Step 4: Simplify right side
    230,052.60x = 41,089,832,145.92
  5. Step 5: Solve for x
    x = 41,089,832,145.92/230,052.60
  6. Step 6: Final answer
    x = 178,610.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.