Home / 125,257.74-172,855.05-67,896.84

Finding the Fourth Proportional to 125,257.74, 172,855.05 and 67,896.84

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Solution

The fourth proportional to 125,257.74, 172,855.05 and 67,896.84 is: 93,697.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,257.74 : 172,855.05 = 67,896.84 : x
  2. Step 2: Convert to fraction form
    125,257.74/172,855.05 = 67,896.84/x
  3. Step 3: Cross multiply
    125,257.74x = 172,855.05 × 67,896.84
  4. Step 4: Simplify right side
    125,257.74x = 11,736,311,673.04
  5. Step 5: Solve for x
    x = 11,736,311,673.04/125,257.74
  6. Step 6: Final answer
    x = 93,697.30

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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.