Home / 126,063.40-189,095.10-112,285.30

Finding the Fourth Proportional to 126,063.40, 189,095.10 and 112,285.30

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Solution

The fourth proportional to 126,063.40, 189,095.10 and 112,285.30 is: 168,427.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,063.40 : 189,095.10 = 112,285.30 : x
  2. Step 2: Convert to fraction form
    126,063.40/189,095.10 = 112,285.30/x
  3. Step 3: Cross multiply
    126,063.40x = 189,095.10 × 112,285.30
  4. Step 4: Simplify right side
    126,063.40x = 21,232,600,032.03
  5. Step 5: Solve for x
    x = 21,232,600,032.03/126,063.40
  6. Step 6: Final answer
    x = 168,427.95

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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.