Home / 126,003.40-189,005.10-47,101.30

Finding the Fourth Proportional to 126,003.40, 189,005.10 and 47,101.30

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Solution

The fourth proportional to 126,003.40, 189,005.10 and 47,101.30 is: 70,651.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,003.40 : 189,005.10 = 47,101.30 : x
  2. Step 2: Convert to fraction form
    126,003.40/189,005.10 = 47,101.30/x
  3. Step 3: Cross multiply
    126,003.40x = 189,005.10 × 47,101.30
  4. Step 4: Simplify right side
    126,003.40x = 8,902,385,916.63
  5. Step 5: Solve for x
    x = 8,902,385,916.63/126,003.40
  6. Step 6: Final answer
    x = 70,651.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.