Home / 115,435.39-159,288.70-67,027.85

Finding the Fourth Proportional to 115,435.39, 159,288.70 and 67,027.85

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Solution

The fourth proportional to 115,435.39, 159,288.70 and 67,027.85 is: 92,491.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,435.39 : 159,288.70 = 67,027.85 : x
  2. Step 2: Convert to fraction form
    115,435.39/159,288.70 = 67,027.85/x
  3. Step 3: Cross multiply
    115,435.39x = 159,288.70 × 67,027.85
  4. Step 4: Simplify right side
    115,435.39x = 10,676,779,320.95
  5. Step 5: Solve for x
    x = 10,676,779,320.95/115,435.39
  6. Step 6: Final answer
    x = 92,491.39

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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.