Home / 143,300.10-197,232.12-126,192.30

Finding the Fourth Proportional to 143,300.10, 197,232.12 and 126,192.30

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Solution

The fourth proportional to 143,300.10, 197,232.12 and 126,192.30 is: 173,685.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,300.10 : 197,232.12 = 126,192.30 : x
  2. Step 2: Convert to fraction form
    143,300.10/197,232.12 = 126,192.30/x
  3. Step 3: Cross multiply
    143,300.10x = 197,232.12 × 126,192.30
  4. Step 4: Simplify right side
    143,300.10x = 24,889,174,856.68
  5. Step 5: Solve for x
    x = 24,889,174,856.68/143,300.10
  6. Step 6: Final answer
    x = 173,685.68

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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.