Home / 125,306.32-172,919.64-67,942.48

Finding the Fourth Proportional to 125,306.32, 172,919.64 and 67,942.48

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Solution

The fourth proportional to 125,306.32, 172,919.64 and 67,942.48 is: 93,758.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,306.32 : 172,919.64 = 67,942.48 : x
  2. Step 2: Convert to fraction form
    125,306.32/172,919.64 = 67,942.48/x
  3. Step 3: Cross multiply
    125,306.32x = 172,919.64 × 67,942.48
  4. Step 4: Simplify right side
    125,306.32x = 11,748,589,182.31
  5. Step 5: Solve for x
    x = 11,748,589,182.31/125,306.32
  6. Step 6: Final answer
    x = 93,758.95

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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.