Home / 125,439.45-173,107.73-68,079.27

Finding the Fourth Proportional to 125,439.45, 173,107.73 and 68,079.27

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Solution

The fourth proportional to 125,439.45, 173,107.73 and 68,079.27 is: 93,950.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,439.45 : 173,107.73 = 68,079.27 : x
  2. Step 2: Convert to fraction form
    125,439.45/173,107.73 = 68,079.27/x
  3. Step 3: Cross multiply
    125,439.45x = 173,107.73 × 68,079.27
  4. Step 4: Simplify right side
    125,439.45x = 11,785,047,248.51
  5. Step 5: Solve for x
    x = 11,785,047,248.51/125,439.45
  6. Step 6: Final answer
    x = 93,950.09

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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.