Home / 126,252.34-189,311.99-42,003.63

Finding the Fourth Proportional to 126,252.34, 189,311.99 and 42,003.63

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Solution

The fourth proportional to 126,252.34, 189,311.99 and 42,003.63 is: 62,983.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,252.34 : 189,311.99 = 42,003.63 : x
  2. Step 2: Convert to fraction form
    126,252.34/189,311.99 = 42,003.63/x
  3. Step 3: Cross multiply
    126,252.34x = 189,311.99 × 42,003.63
  4. Step 4: Simplify right side
    126,252.34x = 7,951,790,572.51
  5. Step 5: Solve for x
    x = 7,951,790,572.51/126,252.34
  6. Step 6: Final answer
    x = 62,983.31

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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.