Home / 104,947.34-144,882.66-84,305.72

Finding the Fourth Proportional to 104,947.34, 144,882.66 and 84,305.72

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Solution

The fourth proportional to 104,947.34, 144,882.66 and 84,305.72 is: 116,386.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,947.34 : 144,882.66 = 84,305.72 : x
  2. Step 2: Convert to fraction form
    104,947.34/144,882.66 = 84,305.72/x
  3. Step 3: Cross multiply
    104,947.34x = 144,882.66 × 84,305.72
  4. Step 4: Simplify right side
    104,947.34x = 12,214,436,966.82
  5. Step 5: Solve for x
    x = 12,214,436,966.82/104,947.34
  6. Step 6: Final answer
    x = 116,386.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.