Home / 172,126.44-237,468.12-126,911.76

Finding the Fourth Proportional to 172,126.44, 237,468.12 and 126,911.76

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Solution

The fourth proportional to 172,126.44, 237,468.12 and 126,911.76 is: 175,089.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,126.44 : 237,468.12 = 126,911.76 : x
  2. Step 2: Convert to fraction form
    172,126.44/237,468.12 = 126,911.76/x
  3. Step 3: Cross multiply
    172,126.44x = 237,468.12 × 126,911.76
  4. Step 4: Simplify right side
    172,126.44x = 30,137,497,053.09
  5. Step 5: Solve for x
    x = 30,137,497,053.09/172,126.44
  6. Step 6: Final answer
    x = 175,089.30

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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.