Home / 125,812.56-173,626.10-72,107.94

Finding the Fourth Proportional to 125,812.56, 173,626.10 and 72,107.94

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Solution

The fourth proportional to 125,812.56, 173,626.10 and 72,107.94 is: 99,511.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,812.56 : 173,626.10 = 72,107.94 : x
  2. Step 2: Convert to fraction form
    125,812.56/173,626.10 = 72,107.94/x
  3. Step 3: Cross multiply
    125,812.56x = 173,626.10 × 72,107.94
  4. Step 4: Simplify right side
    125,812.56x = 12,519,820,581.50
  5. Step 5: Solve for x
    x = 12,519,820,581.50/125,812.56
  6. Step 6: Final answer
    x = 99,511.69

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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.