Home / 125,896.71-173,760.75-72,182.10

Finding the Fourth Proportional to 125,896.71, 173,760.75 and 72,182.10

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Solution

The fourth proportional to 125,896.71, 173,760.75 and 72,182.10 is: 99,624.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,896.71 : 173,760.75 = 72,182.10 : x
  2. Step 2: Convert to fraction form
    125,896.71/173,760.75 = 72,182.10/x
  3. Step 3: Cross multiply
    125,896.71x = 173,760.75 × 72,182.10
  4. Step 4: Simplify right side
    125,896.71x = 12,542,415,832.58
  5. Step 5: Solve for x
    x = 12,542,415,832.58/125,896.71
  6. Step 6: Final answer
    x = 99,624.65

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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.