Home / 172,100.37-237,432.13-126,885.84

Finding the Fourth Proportional to 172,100.37, 237,432.13 and 126,885.84

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Solution

The fourth proportional to 172,100.37, 237,432.13 and 126,885.84 is: 175,053.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,100.37 : 237,432.13 = 126,885.84 : x
  2. Step 2: Convert to fraction form
    172,100.37/237,432.13 = 126,885.84/x
  3. Step 3: Cross multiply
    172,100.37x = 237,432.13 × 126,885.84
  4. Step 4: Simplify right side
    172,100.37x = 30,126,775,258.04
  5. Step 5: Solve for x
    x = 30,126,775,258.04/172,100.37
  6. Step 6: Final answer
    x = 175,053.52

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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.