Home / 160,217.44-221,105.88-103,628.80

Finding the Fourth Proportional to 160,217.44, 221,105.88 and 103,628.80

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Solution

The fourth proportional to 160,217.44, 221,105.88 and 103,628.80 is: 143,011.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,217.44 : 221,105.88 = 103,628.80 : x
  2. Step 2: Convert to fraction form
    160,217.44/221,105.88 = 103,628.80/x
  3. Step 3: Cross multiply
    160,217.44x = 221,105.88 × 103,628.80
  4. Step 4: Simplify right side
    160,217.44x = 22,912,937,017.34
  5. Step 5: Solve for x
    x = 22,912,937,017.34/160,217.44
  6. Step 6: Final answer
    x = 143,011.50

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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.