Home / 172,104.75-237,438-126,890.01

Finding the Fourth Proportional to 172,104.75, 237,438 and 126,890.01

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Solution

The fourth proportional to 172,104.75, 237,438 and 126,890.01 is: 175,059.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,104.75 : 237,438 = 126,890.01 : x
  2. Step 2: Convert to fraction form
    172,104.75/237,438 = 126,890.01/x
  3. Step 3: Cross multiply
    172,104.75x = 237,438 × 126,890.01
  4. Step 4: Simplify right side
    172,104.75x = 30,128,510,194.38
  5. Step 5: Solve for x
    x = 30,128,510,194.38/172,104.75
  6. Step 6: Final answer
    x = 175,059.14

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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.