Home / 229,834.69-317,171.88-129,232.69

Finding the Fourth Proportional to 229,834.69, 317,171.88 and 129,232.69

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Solution

The fourth proportional to 229,834.69, 317,171.88 and 129,232.69 is: 178,341.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,834.69 : 317,171.88 = 129,232.69 : x
  2. Step 2: Convert to fraction form
    229,834.69/317,171.88 = 129,232.69/x
  3. Step 3: Cross multiply
    229,834.69x = 317,171.88 × 129,232.69
  4. Step 4: Simplify right side
    229,834.69x = 40,988,974,451.83
  5. Step 5: Solve for x
    x = 40,988,974,451.83/229,834.69
  6. Step 6: Final answer
    x = 178,341.12

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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.