Home / 221,022.16-331,532.94-102,628.76

Finding the Fourth Proportional to 221,022.16, 331,532.94 and 102,628.76

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Solution

The fourth proportional to 221,022.16, 331,532.94 and 102,628.76 is: 153,943.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,022.16 : 331,532.94 = 102,628.76 : x
  2. Step 2: Convert to fraction form
    221,022.16/331,532.94 = 102,628.76/x
  3. Step 3: Cross multiply
    221,022.16x = 331,532.94 × 102,628.76
  4. Step 4: Simplify right side
    221,022.16x = 34,024,814,531.35
  5. Step 5: Solve for x
    x = 34,024,814,531.35/221,022.16
  6. Step 6: Final answer
    x = 153,943.00

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1.5x scale

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.