Home / 126,359.19-189,427.10-51,541.92

Finding the Fourth Proportional to 126,359.19, 189,427.10 and 51,541.92

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Solution

The fourth proportional to 126,359.19, 189,427.10 and 51,541.92 is: 77,267.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,359.19 : 189,427.10 = 51,541.92 : x
  2. Step 2: Convert to fraction form
    126,359.19/189,427.10 = 51,541.92/x
  3. Step 3: Cross multiply
    126,359.19x = 189,427.10 × 51,541.92
  4. Step 4: Simplify right side
    126,359.19x = 9,763,436,176.32
  5. Step 5: Solve for x
    x = 9,763,436,176.32/126,359.19
  6. Step 6: Final answer
    x = 77,267.32

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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.