Home / 125,826.44-173,647.67-72,120.40

Finding the Fourth Proportional to 125,826.44, 173,647.67 and 72,120.40

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Solution

The fourth proportional to 125,826.44, 173,647.67 and 72,120.40 is: 99,530.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,826.44 : 173,647.67 = 72,120.40 : x
  2. Step 2: Convert to fraction form
    125,826.44/173,647.67 = 72,120.40/x
  3. Step 3: Cross multiply
    125,826.44x = 173,647.67 × 72,120.40
  4. Step 4: Simplify right side
    125,826.44x = 12,523,538,624.75
  5. Step 5: Solve for x
    x = 12,523,538,624.75/125,826.44
  6. Step 6: Final answer
    x = 99,530.27

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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.