Home / 125,744.16-188,628.55-45,803.85

Finding the Fourth Proportional to 125,744.16, 188,628.55 and 45,803.85

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Solution

The fourth proportional to 125,744.16, 188,628.55 and 45,803.85 is: 68,710.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,744.16 : 188,628.55 = 45,803.85 : x
  2. Step 2: Convert to fraction form
    125,744.16/188,628.55 = 45,803.85/x
  3. Step 3: Cross multiply
    125,744.16x = 188,628.55 × 45,803.85
  4. Step 4: Simplify right side
    125,744.16x = 8,639,912,988.05
  5. Step 5: Solve for x
    x = 8,639,912,988.05/125,744.16
  6. Step 6: Final answer
    x = 68,710.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.