Home / 126,100.40-174,018.50-69,512.98

Finding the Fourth Proportional to 126,100.40, 174,018.50 and 69,512.98

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Solution

The fourth proportional to 126,100.40, 174,018.50 and 69,512.98 is: 95,927.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,100.40 : 174,018.50 = 69,512.98 : x
  2. Step 2: Convert to fraction form
    126,100.40/174,018.50 = 69,512.98/x
  3. Step 3: Cross multiply
    126,100.40x = 174,018.50 × 69,512.98
  4. Step 4: Simplify right side
    126,100.40x = 12,096,544,510.13
  5. Step 5: Solve for x
    x = 12,096,544,510.13/126,100.40
  6. Step 6: Final answer
    x = 95,927.88

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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.