Home / 126,288.94-189,300.12-42,026.44

Finding the Fourth Proportional to 126,288.94, 189,300.12 and 42,026.44

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Solution

The fourth proportional to 126,288.94, 189,300.12 and 42,026.44 is: 62,995.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,288.94 : 189,300.12 = 42,026.44 : x
  2. Step 2: Convert to fraction form
    126,288.94/189,300.12 = 42,026.44/x
  3. Step 3: Cross multiply
    126,288.94x = 189,300.12 × 42,026.44
  4. Step 4: Simplify right side
    126,288.94x = 7,955,610,135.17
  5. Step 5: Solve for x
    x = 7,955,610,135.17/126,288.94
  6. Step 6: Final answer
    x = 62,995.30

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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.