Home / 104,767.10-156,977.85-89,215.10

Finding the Fourth Proportional to 104,767.10, 156,977.85 and 89,215.10

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Solution

The fourth proportional to 104,767.10, 156,977.85 and 89,215.10 is: 133,675.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,767.10 : 156,977.85 = 89,215.10 : x
  2. Step 2: Convert to fraction form
    104,767.10/156,977.85 = 89,215.10/x
  3. Step 3: Cross multiply
    104,767.10x = 156,977.85 × 89,215.10
  4. Step 4: Simplify right side
    104,767.10x = 14,004,794,585.54
  5. Step 5: Solve for x
    x = 14,004,794,585.54/104,767.10
  6. Step 6: Final answer
    x = 133,675.50

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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.