Home / 112,511.40-168,572.70-73,048.20

Finding the Fourth Proportional to 112,511.40, 168,572.70 and 73,048.20

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Solution

The fourth proportional to 112,511.40, 168,572.70 and 73,048.20 is: 109,446.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,511.40 : 168,572.70 = 73,048.20 : x
  2. Step 2: Convert to fraction form
    112,511.40/168,572.70 = 73,048.20/x
  3. Step 3: Cross multiply
    112,511.40x = 168,572.70 × 73,048.20
  4. Step 4: Simplify right side
    112,511.40x = 12,313,932,304.14
  5. Step 5: Solve for x
    x = 12,313,932,304.14/112,511.40
  6. Step 6: Final answer
    x = 109,446.09

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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.