Home / 230,337.36-317,885.04-129,754.80

Finding the Fourth Proportional to 230,337.36, 317,885.04 and 129,754.80

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Solution

The fourth proportional to 230,337.36, 317,885.04 and 129,754.80 is: 179,072.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,337.36 : 317,885.04 = 129,754.80 : x
  2. Step 2: Convert to fraction form
    230,337.36/317,885.04 = 129,754.80/x
  3. Step 3: Cross multiply
    230,337.36x = 317,885.04 × 129,754.80
  4. Step 4: Simplify right side
    230,337.36x = 41,247,109,788.19
  5. Step 5: Solve for x
    x = 41,247,109,788.19/230,337.36
  6. Step 6: Final answer
    x = 179,072.60

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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.