Home / 230,210.13-317,616.87-129,588.69

Finding the Fourth Proportional to 230,210.13, 317,616.87 and 129,588.69

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Solution

The fourth proportional to 230,210.13, 317,616.87 and 129,588.69 is: 178,791.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,210.13 : 317,616.87 = 129,588.69 : x
  2. Step 2: Convert to fraction form
    230,210.13/317,616.87 = 129,588.69/x
  3. Step 3: Cross multiply
    230,210.13x = 317,616.87 × 129,588.69
  4. Step 4: Simplify right side
    230,210.13x = 41,159,554,105.20
  5. Step 5: Solve for x
    x = 41,159,554,105.20/230,210.13
  6. Step 6: Final answer
    x = 178,791.24

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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.