Home / 188,822.20-283,233.30-70,502.78

Finding the Fourth Proportional to 188,822.20, 283,233.30 and 70,502.78

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Solution

The fourth proportional to 188,822.20, 283,233.30 and 70,502.78 is: 105,754.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,822.20 : 283,233.30 = 70,502.78 : x
  2. Step 2: Convert to fraction form
    188,822.20/283,233.30 = 70,502.78/x
  3. Step 3: Cross multiply
    188,822.20x = 283,233.30 × 70,502.78
  4. Step 4: Simplify right side
    188,822.20x = 19,968,735,038.57
  5. Step 5: Solve for x
    x = 19,968,735,038.57/188,822.20
  6. Step 6: Final answer
    x = 105,754.17

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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.